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South Africa: choose your country
Grade 1 maths · A.5 · Counting Patterns

Count by 10s

Look at how each number changes. Write the next three numbers and the rule.

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  1. 6, 16, 26, 36, 46, … Write the next three numbers and the rule.

    Answer: Next three: 56, 66, 76; Rule: Start at 6; add 10 each time

  2. 17, 27, 37, 47, 57, … Write the next three numbers and the rule.

    Answer: Next three: 67, 77, 87; Rule: Start at 17; add 10 each time

  3. 18, 28, 38, 48, 58, … Write the next three numbers and the rule.

    Answer: Next three: 68, 78, 88; Rule: Start at 18; add 10 each time

Tip: Look at how each number changes. Write the next three numbers and the rule.

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Common Core: 1.NBT.A.1

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