1. G Dear ©2010 – Not to be sold/Free to use
Stage 4
Year 7
Equations
One Steppers
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G Dear ©2010 – Not to be sold/Free to use

2. Equations – One Stepper
To solve equations
add +, subtract - , multiply x or divide ÷
both sides of the equals sign
by the same number

3. Equations – One Stepper (-)
d + 7 = 11
d = 11 -7
d = 4

4. Equations – One Stepper (-)
2. w + 1 = 5
a = 7-5
w + 1–1 = 5-1
a = 2
w = 4
3. h + 4 = 5
p + 2 = 7
h + 4–4 = 5-4
p + 2–2 = 7-2
h = 1
p = 5
5. r + 1 = 9
k + 2 = 8
r = 9-1
k + 2–2 = 8-2
r = 8
k = 6

5. Equations – One Stepper (+)
d - 7 = 11
d = 11 +7
d = 18

6. Equations – One Stepper (+)
1. z - 4 = 8
2. s - 7 = 1
z – 4+4 = 8+4
s – 7+7 = 1+7
z = 12
s = 8
3. c - 6 = 9
k - 2 = 7
c – 6+6 = 9+6
k – 2+2 = 7+2
c = 15
k = 9
5. h - 1 = 3
p - 2 = 8
h – 1+1 = 3+1
p – 2+2 = 8+2
h = 4
p = 10

7. Equations – One Stepper (÷)
7d = 21
7 x d÷7 = 21 ÷7
d = 3

8. Equations – One Stepper (÷)
x = 8
2. 7m = 21
4x÷4 = 8÷4
7m÷7 = 21÷7
x = 2
m = 3
f = 18
k = 8
6f÷6 = 18÷6
2k÷2 = 8÷2
f = 3
k = 4
p = 12
p = 55
3p÷3 = 12÷3
5p÷5 = 55÷5
p = 4
p = 11

9. Equations – One Stepper (x)
d ÷ 7 = 11
d ÷ 7x7 = 11 x7
d = 77

10. Equations – One Stepper (x)
2. m ÷ 7 = 2
x ÷ 4x4= 8x4
m ÷ 7x7 = 2x7
x = 32
m = 14
f ÷ 5 = 6
k ÷ 2 = 8
f ÷ 5x5 = 6x5
k ÷ 2x2 = 8x2
f = 30
k = 16
p ÷ 3 = 5
p ÷ 6 = 7
p ÷ 3x3 = 5x3
p ÷ 6x6 = 7x6
p = 15
p = 42