# PR-6149IRE Problem-solving Strategies and Skills - Number and Algebra - 1st Class

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1<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Seven cows, five sheep <strong>and</strong> three horses went to the<br />

river to drink. Five more cows came to drink.<br />

How many cows were drinking<br />

altogether?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

1<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Twenty cows, twelve sheep <strong>and</strong> six horses were<br />

drinking at the river. Two more cows came.<br />

Then three more cows joined them.<br />

How many cows were drinking<br />

altogether?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

2<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Mr Brown made up a<br />

number game for the class.<br />

He wrote the numbers<br />

3, 13, 23 <strong>and</strong> 33 on the board.<br />

What is the next number<br />

he will write?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

2<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Mr Brown made up a<br />

number game for the class.<br />

He wrote the numbers<br />

1, 3, 5, 7 <strong>and</strong> 11 on the board.<br />

Which number did he<br />

leave out?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

3<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

One frog has two eyes.<br />

Two frogs have four eyes.<br />

How many eyes do four<br />

frogs have?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

3<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

One frog has two eyes.<br />

Two frogs have four eyes.<br />

How many eyes do seven<br />

frogs have?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

4<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Sam is two years older than his brother Jack.<br />

If Sam is ten, how old is Jack?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

4<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Jack is one year older than his best friend Josh.<br />

Jill is the same age as Jack.<br />

If Josh is nine, how old is Jill?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

5<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Each box holds five big apples <strong>and</strong> six<br />

bananas.<br />

How many apples are in two boxes?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

5<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Each box holds five big apples, six bananas<br />

<strong>and</strong> three oranges.<br />

How many apples are in six boxes?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

6<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

There were fifteen clowns riding on unicycles<br />

in the big top. Ten of the clowns<br />

fell over. Everyone laughed.<br />

How many clowns did not<br />

fall over?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

6<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Twelve clowns on unicycles, three elephants <strong>and</strong><br />

eight horses went around the big top.<br />

None of the clowns fell over.<br />

How many clowns were<br />

still riding?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

7<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

David had nine blocks. Trevor had four<br />

blocks. They put them together<br />

to build a road.<br />

What was the total number<br />

of blocks used?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

7<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Brad built a tower with four blocks.<br />

Steven put four more blocks on top.<br />

Peter added two more.<br />

How many blocks were used<br />

altogether?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

8<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Three camels have twenty four toes.<br />

Two children have twenty toes.<br />

How many toes do three children have?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

8<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

One camel has eight toes.<br />

Two children have twenty toes.<br />

One dog has sixteen toes.<br />

How many toes do five children have?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

9<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Fifteen rabbits <strong>and</strong> ten bears looked for a home.<br />

Eight rabbits found a home.<br />

How many rabbits did not have<br />

a home?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

9<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Eleven rabbits, seven bears <strong>and</strong> nine foxes looked<br />

for a home. None of the rabbits<br />

found a home.<br />

How many rabbits did not<br />

have a home?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

10<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

The teacher asked the<br />

children to line up to go to<br />

the library. Ann <strong>and</strong> Claire are<br />

st<strong>and</strong>ing in a line.<br />

How many different ways<br />

can Ann <strong>and</strong> Claire line up<br />

from first to second?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

10<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

The teacher asked the children<br />

to line up to go to the library.<br />

Ann, Claire <strong>and</strong> Fay are<br />

st<strong>and</strong>ing in a line.<br />

How many different ways<br />

can Ann, Claire <strong>and</strong> Fay line up<br />

from first to third?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

11<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Brad had seven c<strong>and</strong>les on his<br />

birthday cake. Gavin had three more<br />

c<strong>and</strong>les than Brad on his cake.<br />

How many c<strong>and</strong>les did Gavin have<br />

on his cake?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

11<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Brad had seven c<strong>and</strong>les on his<br />

birthday cake. Gavin had<br />

three more c<strong>and</strong>les than Brad.<br />

Justin had one more than Gavin.<br />

How many c<strong>and</strong>les did Justin<br />

have on his cake?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

R.I.C. Publications ® Prim-Ed Publishing<br />

BOX 1

12<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Nina likes playing with numbers. She has the numerals<br />

7 <strong>and</strong> 9 to make two-digit numbers.<br />

How many two-digit numbers<br />

can she make?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

12<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Nina likes playing with numbers. Nina has the numerals 7 <strong>and</strong><br />

9 to make two-digit numbers.<br />

What is the biggest two-digit number<br />

she can make? What is the smallest<br />

number can she make?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

13<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

One glove has five fingers.<br />

Two gloves have ten fingers.<br />

How many fingers<br />

do three gloves have?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

13<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

One glove has five fingers.<br />

Four gloves have twenty fingers.<br />

How many fingers<br />

do six gloves have?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

14<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Bree <strong>and</strong> her mum went to buy ice cream.<br />

Mum let Bree choose two scoops<br />

of ice cream to go on top of her cone.<br />

She can choose strawberry or chocolate.<br />

How many different ways can the scoops<br />

go on top of her cone?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

14<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Bree <strong>and</strong> her mum went to buy ice cream.<br />

Mum let Bree choose three scoops<br />

of ice cream to go on top of her cone.<br />

She can choose strawberry, chocolate<br />

or vanilla.<br />

How many different ways can the scoops<br />

go on top of her cone?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

15<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Two children are building with blocks.<br />

Jess has one half of the blocks.<br />

She has six blocks.<br />

How many blocks are there<br />

altogether?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

15<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Two children are building with blocks.<br />

Jess has one half of the blocks.<br />

She has six blocks. Callan has<br />

the other half.<br />

How many blocks<br />

does Callan have?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

16<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

The children are making numbers<br />

with ‘tens’ <strong>and</strong> ‘ones’. Meli has<br />

nine ‘tens’. Jacob has six ‘tens’.<br />

How many more ‘tens’ does Meli<br />

have than Jacob?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

16<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

The children are making numbers<br />

with ‘tens’ <strong>and</strong> ‘ones’. Meli has<br />

nine ‘tens’. Jacob has six ‘tens’.<br />

Abi has four ‘tens’.<br />

How many more ‘tens’ does Jacob<br />

have than Abi?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

17<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Heather counted forwards<br />

<strong>and</strong> backwards in tens<br />

from 0 to 100 on a number line.<br />

She counted from 0 to 100.<br />

Then she counted back to 30.<br />

How many numbers did she miss?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

17<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Heather counted forwards<br />

<strong>and</strong> backwards in tens<br />

from 0 to 100 on a number line.<br />

She counted from 0 to 100.<br />

Then she counted back to 0.<br />

How many numbers did she miss?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

18<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Mr Brown made up a number<br />

game for the class. He wrote<br />

the numbers 12, 14, 16 <strong>and</strong> 18<br />

on the board.<br />

What is the next number<br />

he will write?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

18<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Mr Brown made up a number<br />

game for the class. He wrote<br />

the numbers 10, 12, 14 <strong>and</strong> 18<br />

on the board.<br />

Which number did he leave out?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

19<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

One night it rained heavily.<br />

The next day, nineteen worms<br />

wriggled to the top of the soil.<br />

Some hungry birds ate nine.<br />

How many worms were not eaten?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

19<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Mark worked out this problem using a number line.<br />

Mark’s answer was 9.<br />

There were 19 worms. The birds ate 10.<br />

How many worms were not eaten?<br />

What number goes in the box? 19 – = 9<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

20<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Imari got a box of chocolates from<br />

her mum. She gave half of her<br />

chocolates to Khari. A box of<br />

chocolates has 16 chocolates.<br />

How many chocolates did Khari get?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

20<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Imari got a box of chocolates from her<br />

mum. She gave half of her chocolates<br />

to Khari. A box of chocolates has<br />

16 chocolates. Khari gave half of her<br />

chocolates to Jabari.<br />

How many chocolates did Jabari get?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

21<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Brad <strong>and</strong> Jack each wrote a two-digit number in a table.<br />

Brad wrote:<br />

Tens<br />

Ones<br />

9 5<br />

How many more ‘tens’<br />

does Brad have than Jack?<br />

Two<br />

f ish<br />

add ... ?<br />

•<br />

•<br />

•<br />

Jack wrote:<br />

Tens<br />

Ones<br />

5 4<br />

Review sample<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

21<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Brad <strong>and</strong> Jack each wrote a two-digit number in a table.<br />

Brad wrote:<br />

Tens<br />

Ones<br />

6 8<br />

Jack wrote:<br />

Tens Ones<br />

4 9<br />

Whose number is bigger—Brad’s or Jack’s?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

22<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

There were eight goldfish in the<br />

pet shop. Four children bought the<br />

same number of fish. There were<br />

no fish left in the pet shop.<br />

How many fish did each child buy?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

22<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

There were twelve goldfish in the<br />

pet shop. Four children bought the<br />

same number of fish. There were<br />

no fish left in the pet shop.<br />

How many fish did each child buy?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

23<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

2 + 3 + 1<br />

= 2 + 1 + 3<br />

= 3 + 2 + 1<br />

= 3 + 1 +<br />

What number goes in the box?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

23<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

4 + 5 + 6<br />

= 6 + 5 + 4<br />

= 5 + 6 +<br />

What is the total of the last three numbers?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

24<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Ellie <strong>and</strong> Taylor each wrote a two-digit number in a table.<br />

Ellie wrote<br />

Tens<br />

Ones<br />

4 7<br />

Taylor had 3 more ‘tens’ than Ellie.<br />

What number is missing<br />

from Taylor’s table?<br />

Tens<br />

Two<br />

f ish<br />

add ... ?<br />

Ones<br />

3<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

24<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Ellie <strong>and</strong> Taylor each wrote a two-digit number in a table.<br />

Tens<br />

Ones<br />

Ellie wrote 6 2<br />

Taylor had 2 more ‘ones’<br />

than Ellie <strong>and</strong> 1 ‘ten’.<br />

Whose number is bigger?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

25<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Sarah baked cupcakes at the weekend.<br />

Each weekday she took two cupcakes<br />

to school to give to her friends.<br />

On Saturday she had two left.<br />

How many cupcakes did she bake?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

25<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Sarah baked cupcakes at the weekend.<br />

Each weekday she took two cupcakes<br />

to school to give to her friends <strong>and</strong><br />

she had one cupcake herself. On<br />

Saturday she had three left to share<br />

equally with her brothers Shane <strong>and</strong><br />

Blaine.<br />

How many cupcakes did she bake?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

26<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Daniel read a fantasy story<br />

with lots of characters.<br />

There were four more dragons<br />

than fairies.<br />

There was one less pixie than dragons.<br />

Six characters were pixies.<br />

How many characters were in the book?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

26<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Daniel read a fantasy story with<br />

lots of characters.<br />

There were three giants <strong>and</strong> one mermaid.<br />

There were three more dragons than<br />

fairies.<br />

There were two less pixies than dragons.<br />

Five characters were pixies.<br />

How many characters were in the book?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

27<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

The Smith family are sharing pizzas for dinner.<br />

Mr <strong>and</strong> Mrs Smith each eat 1 of a pizza.<br />

2<br />

Ross <strong>and</strong> Peter each eat 1 4 of a pizza.<br />

How many whole pizzas<br />

do they need to buy?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

27<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

The Smith family are sharing pizzas for dinner.<br />

Mr <strong>and</strong> Mrs Smith each eat 1 of a pizza.<br />

2<br />

Ross <strong>and</strong> Peter each eat 1 4 of a pizza.<br />

How much is left over if they buy<br />

two whole pizzas?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

28<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Old MacDonald had some cows <strong>and</strong> hens on his<br />

farm. E-I-E-I-O! There are 10 animals altogether.<br />

There are 32 animal legs altogether.<br />

24 animal legs are cow legs.<br />

How many cows are there?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

28<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Old MacDonald had some cows <strong>and</strong> hens on his<br />

farm. E-I-E-I-O! There are 10 animals altogether.<br />

There are 32 animal legs altogether.<br />

24 animal legs are cow legs.<br />

How many hens are there?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

29<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Main Street is a very pretty street<br />

with houses made from brick, wood<br />

<strong>and</strong> stone. The houses in Main Street<br />

are numbered from 1 to 100.<br />

How many houses have zero<br />

as part of their number?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

29<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Main Street is a very pretty street<br />

with houses made from brick, wood<br />

<strong>and</strong> stone. The houses in Main Street<br />

are numbered from 1 to 100.<br />

How many houses have the<br />

digit 8 as part of their number?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

30<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Maddie gave her mum a bunch of 30 flowers.<br />

There were roses, daisies <strong>and</strong> lilies<br />

in the bunch. There were the same<br />

number of each type of flower<br />

in the bunch.<br />

How many lilies were there?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1

30<br />

<strong>Number</strong> <strong>and</strong> algebra<br />

Maddie gave her mum a bunch of 24 flowers.<br />

There were roses, daisies <strong>and</strong> lilies<br />

in the bunch. There were 12 lilies.<br />

There were twice as many<br />

daisies as roses.<br />

How many daisies were in the bunch?<br />

Two<br />

f ish<br />

add ... ?<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

BOX 1

Card 1<br />

Extension<br />

Card 2 43<br />

Extension 9<br />

Card 3<br />

Extension<br />

Card 4<br />

Extension<br />

Card 5<br />

Extension<br />

Card 6<br />

Extension<br />

Card 7<br />

Extension<br />

twelve (12) cows<br />

twenty-five (25) cows<br />

eight (8) eyes<br />

fourteen (14) eyes<br />

Jack is eight (8) years<br />

old.<br />

Jill is ten (10) years<br />

old.<br />

ten (10) apples<br />

thirty (30) apples<br />

five (5) clowns<br />

twelve (12) clowns<br />

thirteen (13) blocks<br />

ten (10) blocks<br />

Two<br />

f ish<br />

add ... ?<br />

<strong>Number</strong> <strong>and</strong> algebra – Answers<br />

Card 8<br />

Extension<br />

Card 9<br />

Extension<br />

Card 10<br />

Extension<br />

Card 11<br />

Extension<br />

Card 12 two<br />

Extension 97, 79<br />

Card 13<br />

Extension<br />

thirty (30) toes<br />

fifty (50) toes<br />

seven (7) rabbits<br />

eleven (11) rabbits<br />

Ann then Claire/Claire<br />

than Ann<br />

Ann, Claire, Fay/Ann,<br />

Fay, Claire/ Claire,<br />

Ann, Fay/Claire, Fay,<br />

Ann/ Fay, Ann, Claire/<br />

Fay, Claire, Ann<br />

ten (10) c<strong>and</strong>les<br />

eleven (11) c<strong>and</strong>les<br />

fifteen (15) fingers<br />

thirty (30) fingers<br />

•<br />

•<br />

•<br />

Card 14<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

Extension<br />

Card 15<br />

Extension<br />

Card 16<br />

Extension<br />

strawberry then<br />

chocolate/chocolate<br />

then strawberry<br />

strawberry,<br />

chocolate, vanilla/<br />

strawberry, vanilla,<br />

chocolate/chocolate,<br />

strawberry, vanilla/<br />

chocolate, vanilla,<br />

strawberry/<br />

vanilla, strawberry,<br />

chocolate/<br />

vanilla, chocolate,<br />

strawberry<br />

twelve (12) blocks<br />

six (6) blocks<br />

three more ‘tens’<br />

two more ‘tens’<br />

Card 17 3 numbers—20, 10<br />

<strong>and</strong> zero<br />

Extension none<br />

Card 18 20<br />

Extension 16<br />

Card 19 ten (10) worms<br />

Extension 10<br />

Card 20<br />

Extension<br />

Card 21<br />

Extension<br />

Card 22<br />

Extension<br />

Review sample<br />

eight (8) chocolates<br />

four (4) chocolates<br />

four (4) tens<br />

Brad’s number is<br />

bigger.<br />

two (2) fish<br />

three (3) fish<br />

Card 23 two (2)<br />

Extension fifteen (15)<br />

BOX 1

Card 24 seven (7)<br />

Extension Ellie’s number is<br />

bigger.<br />

Card 25 twelve (12) cupcakes<br />

Extension eighteen (18)<br />

cupcakes<br />

Card 26 sixteen (16)<br />

Extension twenty (20)<br />

Card 27<br />

Extension<br />

Card 28<br />

Extension<br />

Card 29<br />

Extension<br />

Card 30<br />

Extension<br />

two (2) whole pizzas<br />

half ( 1 2 ) a pizza<br />

six (6) cows<br />

four (4) hens<br />

ten (10) houses<br />

nineteen (19) houses<br />

ten (10) lilies<br />

eight (8) daisies<br />

Two<br />

f ish<br />

add ... ?<br />

<strong>Number</strong> <strong>and</strong> algebra – Answers<br />

Review sample<br />

•<br />

•<br />

•<br />

A B C 5 + 2 = 7<br />

3 6 9 8 – 3 = 5<br />

BOX 1