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7.6 Apply Algebraic Modelling Worksheet
Exercises:
Part A: Write English phrases or sentences for the following mathematical
phrases or sentences.
1. 18 + x
2. x + 18
3. ½ x
4. (13 + x) / 3
5. (3j)(7)
6. 7 – x
7. x – 6
8. 6 – x
9. 12 – m + 19
10. c/5 + 3
11. x, x + 1, x + 2
12. x + x2 + x3
13. x/9
14. ¼ x
15. 4x 24
Part B: Translate each English Phrase into an algebraic expression.
1. An unknown number squared
2. a number of coins tripled
3. One-fifth of a number decreased by eight
4. Six times a number diminished by seven
5. Four years subtracted from a person’s age
6. Thirty-five is added to a number
7. A certain quantity doubled
8. A distance plus half the distance
9. An unknown number I subtracted from sixty-two
10. A sum of money quadrupled
11. The negative of a number
12. A person’s age increased by 8
13. A number tripled and the result is doubled
14. Ten times the cube of a certain number
15. The sum of a number and its square
16. An age plus twice this age is tripled
17. One-sixth of a length of a rectangle
18. An unknown number is added to three decimal five