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Adding up containers

There is fruit in two baskets. Add up both amounts.

Example: 13 apples and 16 apples.
13 + 16 = 29, so there are 29 apples in both baskets together.

Tip: first add the tens (10 + 10 = 20), then the ones (3 + 6 = 9).
Together that makes 20 + 9 = 29.
The numbers filled in show the solution.

Example

A13B16A + B = 29
A14B12A + B = 26

For parents

What does this exercise practice?

Add two two-digit amounts confidently and write down the result.

Common pitfalls

When adding, children often forget to carry the ten. Saying it out loud helps: first the tens, then the ones, then both together.

How to practice at home

Put fruit or blocks into two bowls, count each bowl and then both together.

Related: What does multiplying mean?, Adding across the ten

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