Summary
A quick math clip on subtracting 10-20, part of Khan Academy Kids' how-to-add-and-subtract set. Kids work a few examples step by step (0:32).
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All ages
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Teaching resources
Discussion questions
Discussion
This clip works through subtracting 10-20.
- What does it mean to subtract, or take away?
- What strategy did this video use to subtract?
- Can you make up a subtraction problem and solve it?
Quick work-a-long
Vocabulary: subtract, minus, difference, equals.
Try it: Solve a small subtraction problem (like 7 − 2) using the strategy from the video.