Show:
Mental Math
Estimate Sums and Differences
Adding Decimals
Subtracting Decimals
Adding and Subtracting Decimals
100

35.7-14.8

20.9

100

49+22.88

72

100

1.03+0.36

1.39

100

7.09-3.65

3.44

100

4.30+4.16

8.46

200

373.4-152.9=

220.5

200

179+277.1

500

200

45.08+2.01

47.09

200

5.27-3.4

1.87

200

7.62-3.86

3.76

300

7.1+5.4+2.9

15.4

300

23.2-9.71

13

300

9.1+7.21

16.31

300

15.03-4.12

10.91

300

4.81+2.17

6.98

400

1.05+3+4.28+0.95

9.28

400

8.1+3.7+7.9

20

400

$271.90+$34.22

$306.12

400

$20.60-$14.35

$6.25

400

219.51+127.2+2.49

349.2

500

2,504+140+160

2,804

500

3.8+4.1+3.3

11

500

16.62+4+2.38

23

500

$21.37-$10.95

$10.42

500

9.5-9.45

0.05