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Introduction to Algebra

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Introduction to Algebra

Look for what repeats or changes in each pattern. Show your thinking where you can.

Spot the pattern

1.A pattern goes: circle, star, circle, star, circle, ____. Which shape belongs next?
  • Circle
  • Star
  • Triangle
2.Describe the rule for this repeating pattern: circle, star, circle, star, circle, star.
3.The colours go: yellow, purple, yellow, purple, yellow, ____. What colour comes next?
  • Green
  • Purple
  • Yellow

Number patterns

4.Complete the pattern: 3, 6, 9, 12, ____, ____, ____.
5.What is the rule for this number pattern: 3, 6, 9, 12, 15?
  • Add 2 each time
  • Add 3 each time
  • Take away 3 each time
6.Fill in the next three numbers: 4, 8, 12, 16, ____, ____, ____.
7.Explain the rule in the pattern 4, 8, 12, 16, 20.

Make and match patterns

8.Draw a repeating pattern using at least two of these shapes: circles, triangles and squares. Make the rule easy to spot.
9.Create a number pattern that starts at 5 and follows a rule. Write six numbers altogether.
10.For the pattern 5, 7, 9, 11, 13, 15, write the rule.
11.Match each pattern to its rule.
  • 2, 5, 8, 11
  • 12, 24, 36, 48
  • M, N, M, N, M
  • Add 3 each time
  • Repeat two letters
  • Add 12 each time
12.Which choices show a pattern? Select every correct answer.
  • The months in calendar order
  • 6, 2, 11, 4, 9
  • Hop, clap, hop, clap, hop
  • 50, 45, 40, 35, 30

Algebra ideas

13.Complete the sentences: Algebra helps us find rules in . A letter such as n can stand for a number we do not know.
14.Why can it be useful to find a rule in a number pattern?
15.Write a number pattern that starts with 6 and increases by the same amount each time. Give at least five numbers.

4 printable pages

  • Introduction to Algebra, page 1 of 4: Spot the pattern, Number patterns

    Page 1

  • Introduction to Algebra, page 2 of 4: Make and match patterns

    Page 2

  • Introduction to Algebra, page 3 of 4: Algebra ideas

    Page 3

  • Introduction to Algebra, page 4 of 4: 14. Why can it be useful to find a rule in a number pattern?

    Page 4

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