Questions

1) Print out the decimal squares found in the lesson area and make a model of these decimals, 1.4 and 1.04. Describe the models by stating how many wholes, how many tenths and how many hundredths you used in each model.

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2)

Write the decimal for the decimal model.

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3)

Write the decimal for the decimal model.

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4)

Write the decimal for the decimal model.

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5) In the previous three problems, two of the decimals are equivalent. Write the two equivalent decimals as a statement of equality by completing the following blanks: __________ = __________.

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6) Write an equivalent decimal for 5.9 in hundredths.

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7) Write an equivalent decimal for 6.30 in tenths.

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8) Round to the nearest tenth: 6.44

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9) Round to the nearest tenth: 7.072

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10) Round to the nearest tenth: 22.45

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11) Round to the nearest hundredth: 0.682

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12) Round to the nearest hundredth: 13.389

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13) Round to the nearest hundredth: 14.555

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14) Round to the nearest hundredth: 7.996

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15) Mary is buying tomato plants for her garden. They cost $1.69 per dozen. She wants 3 dozen. Approximately how much do the plants cost to the nearest half-dollar? (Hint: Round the cost of the tomato plants per dozen to the nearest half-dollar before solving.)

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16) Allen has $20 to spend on Halloween candy. Each bag costs $2.89. Use rounding to the nearest dollar to estimate how many bags of candy he could purchase? (Hint: Round the cost of a bag of candy to the nearest dollar before solving.)

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17)

Finish these fractions so they are close to, but not equal to or greater than 1/2. Explain how you found the missing numbers.

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18) The local scout troop sold 4,000 boxes of cookies last year. This year they need to earn $1,600. If they sell the same amount of cookies and the scouts pay $1.25 per box, how much should they charge per box? Explain your solution.

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19)

Add and Simplify.

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20) Jill rode her bicycle to the store which is 3/4 mile from her home. She then traveled back home but stopped at Jenny’s home on the way back which was 1/8 mile from the store. How much farther does Jill have to travel to get home?

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21)

Multiply.

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22)

Divide.

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23) Tricia has $2.40 in quarters and dimes. She has twice as many quarters as she has dimes. How many quarters and how many dimes does she have? Use “guess and check” to solve this problem.

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24) Elena sets up a lemonade stand each day in her neighborhood. She prepares 2 1/2 gallons for her daily sales. By noon on Monday, she had sold 1 3/4gallons. How much lemonade does she have left for her afternoon sales?

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25)

Find the sum.

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