Lesson 10 Quiz: Add Decimals

What is 7.38 + 11.5? Fill in the blank.

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

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