homework_remembering_te_grade_4-1zwawpi

2-12
Name
Date
What is 851,632 rounded to the nearest:
1. hundred?
851,600 2. thousand? 852,000
3. ten thousand?
850,000
4. hundred thousand?
900,000
Compare using >, <, or =.
5. 58,320 ●
= 58,320
6. 642,810 ●
> 64,281
7. 427,900 ●
< 428,000
8. 71,253 ●
< 409,135
Draw a rectangle model. Solve using any method that
relates to the model.
9. 6 × 358 = 2,148
10. 4 × 692 =
Check students’ work.
2,768
Tell what additional information is needed to solve the problem.
11. Rosalina knitted 8 scarves for gifts. She used 38 feet of yarn
for each scarf. How much did Rosalina spend on the yarn?
the cost of each foot of yarn
12. Stretch Your Thinking How many smaller rectangles are
there in an area model that represents 27 × 83? Why?
What are their dimensions?
There are 4 smaller rectangles in the area model
because each place value of 27 is multiplied by
each place value of 83. The dimensions of the
smaller rectangles are 20 × 80, 20 × 3, 7 × 80,
and 7 × 3.
© Houghton Mifflin Harcourt Publishing Company
52 UNIT 2 LESSON 12 Two-Digit by Two-Digit Multiplication