add/subtract
multiply/divide
1, 2, 3, ... ?
1-step equations
2-step equations
100

46 + 21 = ?

67

100

4 x 9 = ?

36

100

5, 13, 21, 29, ?

37

100

5x = 45   x = ?      

x = 9

100

2x + 1 = 5         x = ?

x = 2

200

25 - 30 = ?

-5

200

9 x 7= ?

63

200

96, 89, 82, 75, ?

68

200

x - 12 = 8       x = ?

x = 20

200

3x - 5 = 10     x = ?

x = 5

300

123 + 456 = ?

579

300

42 divided by 6?

7

300

35, 47, 59, 71, ?

83

300

3x = -12     x = ?

x = -4

300

4 + 5x = 24     x = ?

x = 4

400

1,257 + 87 = ?

1,344

400

-12 x 5?

-60

400

48, 36, 24, 12, ?

0

400

8 + x = - 2       x = ?

x = -10

400

-4x + 5  = 1     x = ?

x = 1

500

4,356 + 2,225 = ?

6581

500

-5 x -6 = ?

30

500

10, 105, 200, 295, ?

390

500

x/4 = -5     x = ?

x = -20

500

100x - 125 = 75     x = ?

x = 2