facebook Strategies to Add & Subtract within 20 | Math Video For Grades K-2 | Generation Genius
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Strategies to Add & Subtract within 20 (Make a 10 & Doubles Facts)

LESSON MATERIALSmove Generate Student Link
Strategies to Add & Subtract within 20 (Make a 10 & Doubles Facts)
What you will learn from this videoWhat you will learn
  • How to use doubles facts to add & subtract numbers up to 20.
  • How making a ten can help us add & subtract numbers up to 20.
  • How this knowledge can help us race toy cars, go to a costume party, and even make banana splits!
  • Discussion Questions

  • Vocabulary

  • Reading Material

  • Practice Word Problems

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  • Practice Number Problems

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Level 1

There are 9 apples and 6 pears in a bowl. Use counting to find the total number of pieces of fruit that are in the bowl.

Level 2

Tasha has 9 flowers. Dane has 5 flowers. Use the Make Ten strategy to find how many flowers they have all together.

Level 3

There are 14 strawberries in a basket. Cheryl puts 6 strawberries in her bowl. How many strawberries are left in the basket?

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