Lesson 10 Session 3

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

______ grams

2) Kenton is shopping for clothes during a special event. He pays $24.99 for a pair of jeans and $5.25 for a clearance-prices shirt. He also pays $10 for a belt. How much does Kenton pay for his clothes?

3) What is 11.54 + 1.25 + 0.16?

• A) 25.64

• B) 12.96

• C) 12.95

• D) 12.85

4) Randy rides his bike 1.23 miles to school. After school, he rides 0.96 miles to the library and another 1.05 miles to a park. How many miles does Randy ride his bike in all?

______ miles

5) Rafael runs the first half of a race in 23.08 seconds and the second half of the race in 27.92 seconds. What is Rafael's total time for the race?

• A) 50 seconds

• B) 50.72 seconds

• C) 51 seconds

• D) 51.9 seconds

6) Choose all of the expressions that represent the sum 11.66 + 3.5.

• B) 1 ten + 5 ones + 1 tenth + 6 hundredths

• C) twelves and one hundreth

• D) 14.71

• E) fifteen and sixteen hundreths

7) Find the sum 2.32 + 1.7 + 0.09.