Show:
Addition
Subtraction
Addition and Subtraction
Multiplying
Multiplication (easy)
100

1+7

What is 8

100

100-1

What is 99 

100

100+200

300

100

32x2

64

100

1x2

What is 2

200

19+20

What is 39

200

 80-7-3

What is 70

200

75+75

150

200

44x5

220

200

4x3 

What is 12

300

198+303

What is 501 

300

1009-400

What is 600

300

263+488

751

300

28x9

252

300

4x4 

What is 16

400

1093+123

What is 1216

400

1099-463

What is 636

400

1000+234-478

What is 756

400

63x7

441

400

5x4

What is 20

500

3987+988

4975

500

8721-575

8176

500

9631-4755

4876

500

135x4

540

500

11x9

99