Show:
Addition/Subtraction
Multiplication/Division
Solving for Variables
Adding/Subtracting Negatives and Positives
Order of Operations
100

150+50

200

100

4 x 6

24

100

x + 4 = 20 

(think opposite)

x = 16

100

-10 - 4 = 

- 14

100

(9 x 1) + 4 = 

13

200

90-45

45

200
9 / 9

1

200

x / 8 = 7

(think opposite)

x = 56

200

9 - 11 = 

-2

200

2 + 5 - 4 = 

3

300
70-21

49

300

5 x 4

20

300

3x = 21

(think opposite)

x = 7

300

8 + (-5) = 

3

300

3 + (9 - 5) = 

7

400

7+5

12

400

8 / 2

4

400

x - 1 = 9

(think opposite)

x = 10

400

-5 + -9 = 

-14

400

20 / 4 + (9 - 4) = 

10

500

145 + 6

151

500

7 x 3

21
500

6x = 36

(think opposite)

x = 6

500

-18 + 9 = 

-9
500

7 - (6 x 1) = 

1