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Math · Ages 6–8 · 10 minutes

Addition Within 20: Count-On Cover-Up

A covered starting number keeps the larger addend in mind while children make only the small number of needed counts.

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Addition Within 20: Count-On Cover-Up

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Date:              

Today I am practising: counting on from the larger addend

1

Start at 9. Hold up 3 fingers and say 10, 11, 12. Write 9 + 3 = ___.

2

Cover 11. Count on 4 more. What total do you say?

3

For 6 + 8, which number should you keep in your head? Count on from it.

4

Write the four counts after 12 when solving 12 + 4.

5

Solve 7 + 5 by counting on from 7, then solve it by counting on from 5. Which takes fewer counts?

6

Make a count-on problem with a small addend of 2 or 3 for an adult.

Grown-up note: Ask your learner to explain one answer in their own words.