Reading & Math for K-6

Back from 20

Count backward by ones from 20

These Grade 1 worksheets help students count backward by ones from 20, fill missing numbers, and build confidence with reverse number order.

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Back from 20 worksheets

Start with 20 to 10, continue down to 0, then use missing-number and number-line review.

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Related worksheets:Back from 100Back by twosCounting 1-20

More numbers worksheets

Continue with forward counting, number charts, skip counting, number writing, and even or odd number practice.

Back to Grade 1 number charts and counting