Show:
Word Problems
Mixing it up
Rounding Decimals
Estimating Sums
& Differences
Adding and Subtracting Decimals
100

On Monday, Bonus Book Company earned $303.28. On Tuesday, the company earned $295.73. ABOUT how much did Bonus Book Company earn in all?

About $600

100
A dollhouse has 15.15 square feet downstairs and 6.25 square feet upstairs. What is the best estimate the total square footage?
21 square feet
100
Round the decimal to the given place-value. 5.031; hundredths
What is 5.03
100

Estimate using rounding to nearest whole number. 38.23 + 11.84

What is 38 + 12 = 51

100
Add the decimals 43.28 + 31.45
What is 74.73
200
Abby has $38. She spent $29.37 on a new sweatshirt. How much does Abby have left?
$8.63
200
4.567 - 0.089
4.478
200

Round the decimal to the given place-value. 0.0428; thousandths

What is 0.043

200
Estimate using Rounding to nearest whole number 75.38 + 22.04
What is 75. + 22 = 97
200
Add the decimals 0.724 + 6.458
What is 7.182
300

The perimeter of the pool is 40 meters. If one side is 8 meters what is the length of the other side?

12 meters

300

A bookshelf is 10 meters high and 4 meters wide. What is the perimeter? 

28 meters

300
Round the decimal to the given place-value. 27.35; tens
What is 30
300
Estimate using rounding to nearest whole number 31.29 + 58.07
What is 31. + 58 = 89
300
Add the Decimals 1.325 + 0.081
What is 1.406
400

The coach recorded how fast his runners ran 1 mile. Josh ran a mile in 9.26 minutes, Anne ran a mile in 11.64 minutes, and Rubin ran a mile in 10.36 minutes. How much faster did Josh run than Rubin?

1.1 minutes

400

The perimeter of an equilateral triangle is 18 inches. What is the length of each side?

6 inches
400
Round the decimal to the given place-value. 3.4553; thousandths
What is 3.455
400
Estimate by rounding to nearest whole number: 12.045 + 11.81 + 12.3 + 11.56
What is 12. + 12. + 12. + 12. = 48
400
Subtract the decimals 148.93 - 121.36
What is 27.57
500
Carter bought a pair of jeans for $49.99 and a shirt for $23.59. He received $6.42 in change. How much money did Carter have originally?
$80
500
Monica bought a skirt for $14.50 and a hat for $12.15. How much change would she get back if she had two $20 bills? (Remember you need to answer the hidden questions first)
$13.35
500
Round the decimal to the given place-value. 2.059; hundredths
What is 2.06
500
Estimate using rounding to nearest whole number 6.45 + 5.88 + 5.61 + 6.03
What is 6 + 6 + 6 + 6 = 24
500
Subtract the decimals 248 - 131.48
What is 116.52