Use mathematical vocabulary to describe patterns and relationships in missing numbers.

Use mathematical vocabulary to describe patterns and relationships in missing numbers.

Math

Grade 1

Worksheets

Subtraction Facts

More Subtraction Facts

Compare examples involving related facts and justify which representation is correct.

Use mathematical vocabulary to describe patterns and relationships in subtraction facts to 20.

Check the reasonableness of answers in problems involving related facts.

Choose an efficient method for a task in Grade 1 involving subtraction facts to 20.

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Use mathematical vocabulary to describe patterns and relationships in related facts.

Use mathematical vocabulary to describe patterns and relationships in subtraction facts to 10.

Use mathematical vocabulary to describe patterns and relationships in subtraction facts to 20.

Solve problems involving missing numbers and explain the strategy used.

Compare examples involving missing numbers and justify which representation is correct.

Represent missing numbers using models, symbols, words, or diagrams appropriate for Grade 1.