Lesson 10 Quiz: Add Decimals

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5 Nsɛmmisa

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What is 7.38 + 11.5? Fill in the blank.

5.NBT.7

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5.NBT.7

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5.NBT.7

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Decide if each model or expression represents the sum of 2.84 + 1.2. Type Yes or No for each model or expression.

1. Number line

2. 4 ones + 4 hundredths

3. Base ten blocks

4. Expanded Form

5.NBT.7

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A U.S. penny has a mass of 2.5 grams. A U.S. quarter has a mass of 5.67 grams. What is the total mass of the two coins? Show your work.

grams

Brooklyn’s tablet records her screen time. One week, she spends 11.03 hours listening to music, 2.67 hours reading, and 0.9 hours playing games on her tablet. What is Brooklyn’s total screen time?