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Grade 8 · Math

Grade 8 Math: Patterns and algebra

Ontario curriculum: Mathematics (2020) · Algebra C2.2 — solve equations that involve multiple terms, whole numbers, and decimal numbers

1.

What comes next? 4, 13, 40, 121, __

2.

A pattern starts at 8 and follows the rule "multiply by 4". What is the 7th term?

3.

If y = 3x + 6, what is y when x = 19?

4.

Which expression means "2 times a number n, then add 21"?

5.

Which point is on the graph of y = 1x + 4?

6.

Which point is on the graph of y = 3x + 2?

7.

Choose the number that belongs in the blank.

8.

Choose the number that belongs in the blank.

9.

What comes next? 11, 31, 71, 151, __

10.

A pattern starts at 9 and follows the rule "add 40". What is the 10th term?

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Answer key

Grade 8 Math: Patterns and algebra

Ontario curriculum: Mathematics (2020) · Algebra C2.2 — solve equations that involve multiple terms, whole numbers, and decimal numbers

Question numbers match the worksheet.

  1. 1.B) 364Multiply by 3, then add 1.
  2. 2.D) 32,768
  3. 3.D) 63
  4. 4.B) 2n + 21
  5. 5.D) (2, 6)When x = 2, y = 1x + 4 = 6.
  6. 6.D) (5, 17)When x = 5, y = 3x + 2 = 17.
  7. 7.C) 9Subtract 2 each time.
  8. 8.C) 129Multiply by 3, then add 7, and repeat.
  9. 9.C) 311Multiply by 2, then add 9.
  10. 10.C) 369

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