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Addition
Subtraction
Multiplication
Division
Challenge Problems
100

23+8=___?

31

100

39-7=___?

32

100

2x8=___?

16

100

4/1=___?

4

100

848+367=___?

1,215

200

34+42=___?

76

200

68-32=___?

36

200

10x6=___?

60

200

10/5=___?

2

200

1523-458=___?

1,065

300

412+22=___?

434

300

547-24=___?

523

300

12x7=___?

84

300

24/4=___?

6

300

15x5=___?

75

400

239+67=___?

306

400

632-76=___?

556

400

11x11=___?

121

400

36/6=___?

6

400

72/8=___?

9

500

346+155=___?

501

500

912-367=___?

545

500

15x3=___?

45

500

56/7=___?

8

500

(3x4)+(2x6)=___?

24