Lesson: Introducing Vertical Subtraction with Numbers Up to 20

Learn that subtraction can be recoreded horizontally and vertically in this lesson which uses pictures to model subtraction.

Worksheet: Introducing Vertical Subtraction with Numbers Up to 20 • 3 Questions

Q1:

We can write subtraction sentences in two ways.

Subtract across.

Find the numbers that are left.

Subtract down.

Find the numbers that are left.

Q2:

Take away to find the missing number.

Q3:

Find the missing number.

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