Math Estimation and Calculation Quiz

Two rock samples have masses of 56.24 grams and 8.98 grams. What is the estimated total mass if you round the decimals to the nearest tenth?

• 65.0

• 65.2

• 65.3

• 66.0

Estimate the sum of $4.28, $21.35, and $14.65 by rounding each number to the nearest tenth.

• $40.30

• $41.00

• $38.00

• $40.40

Owen spent $1.29 on a pen and $0.38 on an eraser at the school store. What was the total amount he spent?

• $1.57

• $1.67

• $1.77

• $1.87

Select the correct answer for the expression 13.5 - 2.8.

• 9.2

• 12.2

• 10.7

• 8.7

Select the correct answer for the expression 3.74 + 5.46.

• 9.2

• 12.2

• 10.7

• 8.7

Select the correct answer for the expression 14.2 - 5.5.

• 9.2

• 12.2

• 10.7

• 8.7

What is the combined length of the three bookshelves Sophie put up?

• 11.07 feet

• 10.50 feet

• 12.00 feet

• 9.50 feet

How much longer is the bottom shelf than the top shelf?

(Top shelf is 3.88 feet long, the middle shelf is 2.63 feet long, and the bottom shelf is 4.56 feet long).

• 0.68 feet

• 0.50 feet

• 0.78 feet

• 0.88 feet

Which two people sold the most apples at the farmer's market?

• Mr. Lee and Ms. Perry

• Ms. Perry and Mr. Jones

• Ms. Cleary and Mr. Jones

• Mr. Lee and Ms. Cleary

What is the difference between the amounts of apples sold by Ms. Perry and Mr. Lee?

• 31.84 pounds

• 32.84 pounds

• 33.84 pounds

• 34.84 pounds