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Mathematics
7th -
8thgrade
Translate into equations - Summative revision
11 questions
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- 1. Multiple Choice
The sum of two consecutive integers is 39.
x + (x + 1) = 39
x + (x + 2) = 39
x - (x + 2) = 39
- 2. Multiple Choice
The sum of two consecutive even integers is 38.
x + (x + 1) = 38
x + (x + 2) = 38
x + 2 = 38
x = 38
- 3. Multiple Choice
The sum of two consecutive odd integers is 72.
x + (x + 2) = 72
x + 2 = 72
x = 72
x + (x + 1) = 72
- 4. Multiple Choice
The sum of 3 consecutive integers is 15.
x + x + x = 15
x + 2x + 3x = 15
x + (x + 1) + (x + 2) = 15
x = 15
- 5. Multiple Choice
A number is doubled and 5 is added. The result is 21.
x + 21 = 5
2x = 21
2x + 5 = 21
x + 5 = 21
- 6. Multiple Choice
A number is increased by 10 and the resulting number is doubled. The answer is 20.
2x = 10
x + 10 = 20
2x + 10 = 20
- 7. Multiple Choice
When a number is increased by 5, the answer is 11.
x = 11
x + 5 = 11
x + 11 = 5
5 + 6 = x
- 8. Multiple Choice
When a number is decreased by 7, the answer is 20.
x - 7 = 20
x - 20 = 7
x = 20
20 = 7
- 9. Multiple Choice
Four more than six times a number is 18.
10x = 184x + 6 = 184 + 6x = 18 - 10. Multiple Choice
349 is the sum of a and 311
a = 311
a + 349 = 311
a + 311 = 349
a = 349
- 11. Multiple Choice
The sum of a number and 3 is 9.
x = 3
x + 3 = 9
x + 9 = 3
x = 9
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