Addition Within 20: Which Strategy Sort?

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Today I am practising: choosing an efficient addition strategy for a fact

Sort 7 + 7 under doubles. Solve it.

Sort 8 + 6 under make ten. Show the part of 6 that makes 10.

Sort 12 + 3 under count on. Write the three counts.

Choose a strategy for 9 + 9 and explain why it fits.

Could 6 + 5 use make ten or count on? Pick one and prove it.

Write one fact for each strategy group with a total no greater than 20.

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