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PES Skill Sheets.book - Capital High School

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<strong>Skill</strong> Sheet 1.2: Indirect Measurement<br />

1. The tree is 3 meters tall.<br />

2. The flagpole’s shadow is 12.8 meters.<br />

3. Answers are:<br />

a. 2,200 feet<br />

b. 670 meters<br />

4. The average mass is 0.1 kilogram or 100 grams.<br />

5. Each staple is 0.0324 gram or 3.24 milligrams.<br />

6. One business card is 0.034 centimeter thick.<br />

7. The thickness of a CD is approximately 0.13 centimeter or<br />

1.3 millimeters.<br />

8. Answers are:<br />

a. 4.8 millimeters<br />

b. 9.6 millimeters<br />

c. 48 millimeters<br />

d. 9,600 millimeters or 9.6 meters<br />

9. Answers are:<br />

a. Each cheesecake takes 0.85 hour or 51 minutes to make.<br />

b. Yvonne earns $12 per cheesecake.<br />

c. Yvonne earns $14.12 per hour.<br />

<strong>Skill</strong> Sheet 1.3: Dimensional Analysis<br />

1. Answers are:<br />

a. $72/day<br />

b. 210 lbs/week<br />

2. Answers are:<br />

a. 2.75 gal<br />

b. 2.20 m<br />

c. ≈ 0.0947 mile<br />

d. 64 cups<br />

<strong>Skill</strong> Sheet 1.3: Fractions Review<br />

Part 1 answers:<br />

1. 13 / 12<br />

2. 89 / 56<br />

3. 19 / 6<br />

4. 1.1, 1.6, 3.2<br />

Part 2 answers:<br />

1. –5 / 12<br />

2. 9 / 56<br />

3. –5 / 3<br />

4. –0.42, 0.16, –1.67<br />

Part 3 answers:<br />

1. 1 / 4<br />

2. 5 / 8<br />

Page 3 of 57<br />

10. The mass of the block of marble is 324,000 grams or<br />

324 kilograms.<br />

11. Sample answer:<br />

First fill the dropper with water from the glass.<br />

Then place drops of water one-by-one into the graduated<br />

cylinder. Count the number of drops it takes to reach the<br />

5.0 mL mark on the graduated cylinder.<br />

To find the volume of one drop, divide the value 5.0 mL by<br />

the number of drops.<br />

12. Sample answer:<br />

(1) Remove the newspaper from the recycling bin.<br />

(2) Unfold each sheet and smooth the paper.<br />

(3) Neatly stack the sheets of paper.<br />

(4) Place the newspaper on a flat surface.<br />

(5) Place something heavy, like a hardbound <strong>book</strong>, on the<br />

newspaper to remove excess space between the sheets of paper.<br />

(6) Measure the height of the stack of newspaper.<br />

(7) Divide the stack of paper by the number of sheets.<br />

Note to teacher: This question is designed to prompt students to<br />

think about sources of experimental error. You may wish to ask<br />

the students what would happen if they divided the height of the<br />

recycle bin by the number of sheets of newsprint multiplied by<br />

four. Why wouldn’t this method yield an accurate result?<br />

3. Answers are:<br />

a. 126,144,000 s<br />

b. ≈ 71.0 ft<br />

c. 4.5 qt<br />

d. 14 2 / 3 fields<br />

e. 48. km/gal<br />

f. ≈ 13 km/l<br />

g. 95 ft/s<br />

3. 15 / 16<br />

4. 0.25, 0.63, 0.94<br />

Part 4 answers:<br />

1. 4 / 9<br />

2. 49 / 40<br />

3. 2<br />

4. 2 / 3<br />

5. 0.44, 1.23, 2, 0.67<br />

Part 5 answers:<br />

1. 1<br />

2. 27 / 70<br />

3. 1<br />

4. 5 / 6<br />

5. 1, 0.39, 1, 0.83

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