Rounding Decimals
Estimating Sums & Differences
Adding Decimals
Addition Properties & Word Problems
Subtracting Decimals
100

Round 76.89 to the nearest whole number.

77

100

Estimate 2.8 + 3.8=

6


100

5.3 + 0.96 =

6.26

100

What addition property is used below?

16 + 29 + 44 = 44 + 16 + 29

Commutative Property

100

64.28 - 3.67 = 

60.61

200

Round 3.254 to the nearest tenth.

3.3 or 3.300

200

Estimate 69.58 - 32.24=

38

200

48.6 + 7.22 = 

55.82

200

Identify the property used below.

(83 + 52) + 46 = 83 + (52 + 46)

Associative Property

200

73.3 - 19.6 = 

53.7

300

Round 816.5 to the nearest ten.

820.0

300

Mrs. Mobley's dinner costs $16.49. Mrs. Mobley pays with a $20 bill. About how much change does she receive?

$4

300

71.29 + 43.68 =

114.97

300

Identify the property used below.

867.52 + 0 = 867.52

Identity property

300

9 - 5.41 =

3.59

400

Round 55.41 to the nearest one.

55.00 or 55

400

Estimate 1.03 + 36.52 = 

38

400

64.87 + 5.01=

69.88

400

Mike has $28. He spent $13.28 on school supplies. How much money does he have left?

$14.72

400

7.231 - 4.8 = 

2.431