81 to go -- let's tackle 17 more -- the tens.

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Here's what they look like

What do you notice about the tens times tables?

Here are several videos about the tens times tables. You might choose one of the first 3, but be sure to watch the "Adding a Zero" one.

- Tens Times Tables
- Tens as groups video
- On the number line
- On the Number Chart
- Adding a Zero
- Tens Quiz; with pictures
- Tens Quiz: review if you miss one
- Future: Dividing by ten / Finding 10 percent
- Multiplication Training at Mathisfun.com

- NEXT FACT: The twos!
- Here are some images of the tens times tables as part x part = whole.