Practice Problems — Set 15

3.OA.D.9 · Identify arithmetic patterns (including patterns in the addition tabl…

Print and write your answers. Use diagrams to show thinking.

Warm-up

1. Continue the pattern: 16, 18, 20, ___, ___ 2. Rule: add 3 each time. Next after 26? ___ 3. Shape pattern: triangle, square, triangle, square, ___

_See printable PDF for diagram._

Written practice

1. Continue the pattern: 15, 17, 19, ___, ___ 2. Rule: add 6 each time. Next after 25? ___ 3. Shape pattern: triangle, square, triangle, square, ___ 4. Input 17 → output 34. Input 20 → output ___ 5. Find the missing term: 20, ___, 26, 29 6. Write the rule in words for today's pattern. ___ 7. Continue the pattern: 18, 20, 22, ___, ___ 8. Rule: add 5 each time. Next after 28? ___

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More written practice

1. Input 20 → output 40. Input 23 → output ___ 2. Find the missing term: 23, ___, 29, 32 3. Continue the pattern: 21, 23, 25, ___, ___ 4. Rule: add 4 each time. Next after 31? ___ 5. Input 23 → output 46. Input 26 → output ___ 6. Find the missing term: 26, ___, 32, 35

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Patterns and rules

1. Continue the pattern: 32, 34, 36, ___, ___ 2. Rule: add 3 each time. Next after 42? ___ 3. Shape pattern: triangle, square, triangle, square, ___

_See printable PDF for diagram._

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Parent tip: Build growing patterns with blocks or drawings