Grade 1Lesson 15 of 2910 minutes
Checking by adding back
Subtraction strategies
Count, match or write the answer. Tap Hear if you want the question spoken.
Your turn
1 of 3
Add them. Write the answer in the box.
10 + 4 =
0 of 3 done
For you: They count or add on the screen. You only help if they get stuck.
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