Add, Subtract, Multiply, and Divide Decimals

The mass of a female hummingbird is 4.5 grams. The mass of a male hummingbird is 3.2 grams. What is the difference betweenn the masses of the female and male hummingbirds?

Tags

CCSS.5.NBT.B.7

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?

Tags

CCSS.6.NS.B.3

Randy rides his bike 1.23 miles to school, he rides 0.9 mile to the library and another 1.05 miles to a park. How many miles does Randy ride his bike in all?

Tags

CCSS.5.NBT.B.7

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?

Tags

CCSS.5.NBT.B.7

 

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 difference between the two masses of the two coins?

Tags

CCSS.6.NS.B.3

Which equation can you use to find 55.15 - 47.29?

• 47.29 + n = 55.15

• 55.15 + n = 47.29

• n = 47.29 + 55.15

• 47.29 = (55.1 + 0.5) - n

Tags

CCSS.6.NS.B.3

What is the product of 1.05 and 0.7?

Tags

CCSS.6.NS.B.3

Ezra buys carrots on sale for $0.90 per pound. He buys 0.8 pound of carrots. How much does Ezra pay for the carrots?

Tags

CCSS.7.EE.B.3

Which of the following has a product of 0.195?

• 0.3 x 650

• 0.3 x 65

• 0.3 x 6.5

• 0.3 x 0.65

Tags

CCSS.6.NS.B.3

Coach Ann is setting up a 2.7-kilometer race. She uses flags to mark off 9 equal sections of the race. How far apart should she space the flags to mark off the sections?

Tags

CCSS.7.EE.B.3