Show:
Subtraction
Strategies
Addition
Fill in the Blank
100

  45

- 26

19
100

Use any strategy to solve:

423+271=?

694

100

  82

+26

108

100

_____-20=62

82

200

  86

- 49

37

200

Use any strategy to solve:

573-291=?

282

200

  76

+21

97

200

___+103=185

82

300

  270

-128

142

300

Use any strategy to solve:

1098+702=?

1800

300

  156

+384

540

300

906 -______=450

456

400

  5076

- 3158

1918

400

Use any strategy to solve:

450-189=?

261

400

  1083

+3709

4792

400

_____+1054=1200

146

500

  8395

- 6278

2117

500

Use any strategy to solve:

8093-3846=?

4247

500

  5603

+2094

7697

500

2786-_____=1783

1003