Tuesday 02 July 2019
Algebra
Recap: For maths, I did a little revision on the basics of algebra.
These equations need the value of the variable in order for it to complete.
WALT - solve algebraic equations.
Success Criteria: To be successful, I must:
- Read through the equation carefully
- Read through the equation carefully
1. r x 13 = 13
1 x 13 = 13
13 ÷ 1 = 13
Answer = 1
x = 1
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2. 66 ÷ w = 11
66 ÷ 6 = 11
11 x 6 = 66
Answer = 6
w = 6
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3. 11 x y = 77
11 x 7 = 77
77 ÷ 7 = 11
Answer = 7
y = 7
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4. j ÷ 20 = 3
60 ÷ 20 = 3
3 x 20 = 60
Answer = 7
y = 7
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5. w + 18 = 22
4 + 18 = 22
22 - 18 = 4
Answer = 7
y = 7
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6. y ÷ 9 = 8
72 ÷ 9 = 8
8 x 9 = 72
Answer = 7
y = 7
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7. w ÷ 4 = 13
52 ÷ 4 = 13
13 x 4 = 52
Answer = 52
w = 52
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8. 12 x c = 156
12 x 13 = 156
156 ÷ 13 = 12
Answer = 13
c = 13
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9. 17 x v = 153
17 x 9 = 153
153 ÷ 9 = 17
Answer = 9
V = 9
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10. v - 8 = 9
17 - 8 = 9
9 + 8 = 17
Answer = 17
V = 17
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11. X - 16 = 20
36 - 16 = 20
20 + 16 = 36
Answer = 36
x = 36
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12. X + 16 = 31
15 + 16 = 31
31 - 15 = 16
Answer = 15
X = 15
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