ZMath 150  - Unit 21: Metric System: Weight and Capacity
1) Which unit is approximately the weight of a raisin?

2) Which unit is approximately the weight of a textbook?

3) Which unit could be used to measure the weight of a bee’s wing?

4) Express 8.4 kg as grams.

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5) Express 600 mg as grams.

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6)

Express both units as kilograms and then find the sum.
4.8 kg + 3200 g


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7)

Express both units as grams and then find the difference.
50 g – 3200 mg


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8) Another metric unit of weight is the centigram (cg). A gram is equal to how many centigrams? Hint: Refer to the explanation of the meaning of metric prefixes.

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9) Which unit could be used to measure the amount of juice in a pitcher?

10) Which unit could be used to measure the amount of liquid in a tablespoon?

11) Express 4000 ml as l.

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12) Express 9.32 l as ml.

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13)

Express both units as liters and then find the sum.
5.2 l + 3000 ml


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14)

Express both units as milliliters and then find the difference.
9 l – 342 ml


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15) Another metric unit of capacity is the kiloliter (kl). A kiloliter is equal to how many liters? Hint: Refer to the explanation of the meaning of metric prefixes.

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Review

16) 48 oz = ? lb

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17)

Find the difference.


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18) Find the sum. 12.3 + 8.29 + 5

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19) Find the difference. 5.2 – 1.34

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20) Express 9.83 km as m.

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21) Betty bought 3.5 pounds of silver queen corn seeds to plant in her garden. If the seeds cost $2.29 per pound, how much did she pay for the seeds? Express answer to nearest cent.

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22) Solve: 7 x 10 x 10 x 10 x 0. Explain how you solved this problem.

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23) A 12 pack of pop (soda) costs $2.89. What would be the cost of one can?

24) To check the monthly power bill, Allen looked at the kilowatt (KWH) reading for last month. It was 7,300 KWH. The current month’s reading was 8,489 KWH. The average rate of cost per kilowatt was $0.114. What was his bill for the month?

25) On a map, 1 inch represents 50 miles. How many miles would 3 1/2 inches represent? Explain how you solved the problem.

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