facebook Insert Title Here
1%
Processing, please wait...
It was processed successfully!
It was processed successfully!

Oops! It looks like your security settings are blocking this video 🙁

If you are on a school computer or network, ask your tech person to whitelist these URLs:
*.wistia.com, fast.wistia.com, fast.wistia.net, embedwistia-a.akamaihd.net

Sometimes a simple refresh solves this issue. If you need further help, contact us.

 

Add & Subtract Within 20

LESSON MATERIALSmove Generate Student Link
Add & Subtract Within 20

What you will learn from this videoWhat you will learn

  • We’ll learn how to add and subtract numbers up to 20.
  • We'll also learn how to solve addition and subtraction problems with a missing number.
  • And we’ll discover that this knowledge can help us win trophies, feed animals, and even decorate gingerbread houses!

Explore Our Science Topics