Summary
Learn about how much more efficient it is to add and subtract larger numbers using the standard algorithm.
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Ages 7+
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Teaching resources
Discussion questions
A few questions to talk through after watching Add & Subtract Using the Standard Algorithm:
- Where in the video did the idea of add & subtract using the standard algorithm first "click" for you?
- Can you walk a partner through one of the examples in your own words?
- Where might you use add & subtract using the standard algorithm outside of math class?
- What part would you want to see one more time, and why?
Quick work-a-long
Try it:
- In one sentence, tell a neighbor what add & subtract using the standard algorithm means.
- Draw or write one example of your own, then check it against the video.