Math

Topic 4

Subtraction Facts to 20: Use Strategies

Anchor Chart

I can...

  • Use a number line to subtract by counting back or count on.

  • Make subtraction easier by making 10 to subtract.

  • Count on to subtract using 10 as a landmark.

  • Make addition and subtraction facts using the same three numbers.

example: 3+4=7 4+3=7 7-4=3 7-3=4

  • Use addition facts to find subtraction facts.

I can also...

  • Explain strategies used to solve subtraction problems.

  • Solve different types of addition and subtraction problems with unknowns in different positions.

  • Use reasoning to write and solve number stores.

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