Add
Subtract
Multiply (x = Multiplication Sign)
Divide (Slash = Division Sign)
Multiple Operations (PEMDAS)
100

21 + 6

27

100

20 - 3

17

100

3x7

21

100

4/2

2

100

9 x (9 + 1)

90

200

62 + 38

100

200

40 - 30

10

200

9x11

99

200

28/7

4

200

14 + (20 - 22)

12

300

12 + 40 + 23

75

300

674 - 374

300

300

12x12

144

300

900/3

300

300

20 - 18 + 2

4

400

310 + 20 + 150

480

400

6,000 - 4,500

1,500

400

15x50

750

400

1/4

.25 or 1/4

400

2x4/4

2

500

43,765 + 13,423

57188

500

2536-1743

793

500

304x304

92416

500

560/7

80

500

90 + 42 x 2 / 3

118