Decimals Quiz - Add, Subtract, Strip Diagram and Rounding

1,697 people claimed to have seen Bigfoot last year. Round the number of people who claimed to see Bigfoot to the nearest ten.

• 1,690

• 1,600

• 1,710

• 1,700

Estimate the sum of the numbers 324,198 and 231,312 by first rounding each number to the nearest hundred thousand.

• 600,000

• 500,000

• 550,000

• 555,500

The models below represent an addition problem involving two decimal numbers. Which addition is represented by the model?

• 0.87 + 0.12

• 1.78 + 1.20

• 1.87 + 1.20

• 1.87 + 1.02

Add the decimals shown on the model.

• 1.38

• 2.79

• 3.07

• 4.67

Kip and Bonkers are two baby sheep. Kip weighs 76.4 pounds and Bonkers weighs 67.3 pounds. What is the combined weight of Kip and Bonkers?

• 143.7 pounds

• 140.0 pounds

• 150.0 pounds

• 145.5 pounds

Lisa is trying to be the world's best kid magician. She practiced her tricks for 18.3 hours last week and has practiced for 14.6 hours this week. How many more hours did she practice last week than this week?

• 3.6

• 4.7

• 3.7

• 4.6

• None of the answers shown are correct.

Caleb is 43.25 inches tall. His friend, Greg, is 58.65 inches in height. Who is taller?

• Caleb

• Greg

Caleb is 43.25 inches tall. His friend, Greg, is 58.65 inches in height.

What is their combined height?

• 91.80 inches

• 91.90 inches

• 101.80 inches

• 101.90 inches

Cassie wants to use green and yellow fabric to make some curtains. She has 28.85 yards of yellow fabric and 34.25 yards of green fabric. How many total yards of fabric does Cassie have?

• 52.00 yards

• 53.10 yards

• 63.00 yards

• 63.10 yards

Katrina is 69.75 inches tall. Her best friend, Allison, is 64.85 inches in height. How many inches taller is Katrina than Allison?

• 4.10

• 4.90

• 5.10

• 5.90