Word Problems
Properties
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

What property says order does not matter?

Commutative

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
What property says any number plus zero equals itself?
Identity
200

Round the decimal to the given place-value. 0.0152; tenth

What is 0.0

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

Company A has a budget of $23.87 million and Company B has a budget of $14.22 million. What is the difference between the two budgets if each is rounded to the nearest tenth of a million?

$9.7 million

300
Identify the addition property used to rewrite the problem below. 36 + 48 + 52 = 48 + 52 + 36
Commutative
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 + 58.57

What is 31. + 59 = 90

300

Add the Decimals 1.325 + 0.081

What is 1.406

400

The coach recorded how fast his runners ran 1 mile. Luann 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 Luann run than Rubin?

1.1 minutes

400
Identify the addition property used to rewrite the problem below. (74 + 63) + 35 = 74 + (63 + 35)
Associative
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
Identify the addition property used to rewrite the problem below. 974.63 + 0 = 974.63
Identity
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