facebook Mental Math within 100 Video for Kids | K, 1st & 2nd Grade
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Mental Math within 100

LESSON MATERIALSmove Generate Student Link
Mental Math within 100

What you will learn from this videoWhat you will learn

  • How to do mental math with numbers up to 100.
  • How we can use place value to add and subtract in our heads.
  • Explore how doing mental math can help us build a tower, color a rainbow, and take care of mice!

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Level 1

Add 8 + 7 in your head. What are the steps?

Level 2

Subtract 17 – 9 in your head. What are the steps?

Level 3

Add 17 + 40 in your head.