addition
subtraction
addition #2
subtraction #2
fractions and decimals
100
x + 13 = 14
What is 1
100
x - 6 = 12
What is 18
100
70 = 35 + x
What is 35
100
17 = x - 3
What is 20
100
x + 2.4 = 6.8
What is 4.4
200
x + 7 = 26
What is 19
200
x - 5 = 9
What is 14
200
6 = x + 5
What is 1
200
25 = x - 9
What is 34
200
x + 1/2 = 3/4
What is 1/4
300
3 + x = 7
What is 4
300
x - 100 = 50
What is 150
300
40 = x + 41
What is -1
300
55 = x - 0
What is 55
300
16 = x - 2.5
What is 18.5
400
19 + x = 13
What is -6
400
x - 60 = 50
What is 110
400
9 = 13 + x
What is -4
400
-60 = x - 50
What is -10
400
1/4 = x - 4/5
What is 21/20
500
36 + x = 0
What is -36
500
x - 8 = 0
What is 8
500
5500 = 7000 + x
What is- 1500
500
-35 = x - 80
What is 45
500
x + 3.75 = 1.25
What is -2.5
M
e
n
u