Summative Test on Decimals and Estimation

Solve the following addition problems: a. 3.45 + 2.67 b. 1.25 + 4.9 + 0.75

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Solve the following subtraction problems: a. 5.67 - 2.45 b. 10.3 - 4.8

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A store sells apples for 3.75 per kg and oranges for 2.45 per kg. What is the total cost of buying 1 kg of each?

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Multiply: a. 3.6 × 4 b. 5.25 × 0.5

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Divide: a. 18.9 ÷ 3 b. 6.75 ÷ 0.25

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A watermelon weighs 3.25 kg. If each slice weighs 0.25 kg, how many slices can you make?

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Define: a. Square of a number b. Square root of a number

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Find the square of 9.

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Find the square root of 81.

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What is 6 squared?

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