Mental Math
Add/Subtract Decimals
Calculate
Review
100

2 x .9

What is 1.8

100
2.9 + .56
What is 3.46
100

53 x 1.2

What is 63.6

100
254.8 x 10^3
What is 254,800
200
.1 x .4
What is .04
200
1.69 + 15
What is 16.69
200

17 x 15.6

What is 265.2

200

Round 61.725 to the nearest hundredth.

What is 61.73

300
.7 x .9
What is .63
300
6.5-2.8
What is 3.7
300

7.06 × 28

What is 197.68

300
548.34 divided by 10^2
What is 5.4834
400
.25 x 4
What is 1
400
9.4-6.48
What is 2.92
400

6.32 × 223

1409.36

400
72 - [(8+6) x 2]
What is 44
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