Find the unknown number taken away in subtraction equations within 20.
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Free printable missing subtrahend worksheets. Find the unknown number taken away in subtraction equations within 20. Generate fresh practice and print the matching answer key.
Grade 1 · unknowns in addition and subtraction · 1.OA.A.1; 1.OA.B.4; 1.OA.D.8. This page opens one focused activity: Find the number taken away. The pictures, numbers, models, and answers come from the same tested worksheet generator as the full activity collection.
Find the unknown number taken away in subtraction equations within 20. The task stays consistent across the page, while New problems changes the numbers or pictures for another practice set.
Compare the starting amount and the amount left to find how many were removed. Ask the child to describe one answer in words. A short explanation helps show whether the model and the math make sense together.
Preview the Worksheet first, then switch to Answer key to check the exact same set. The question order, pictures, and numbers remain aligned. In the print controls, choose the worksheet, the answer key, or both. Each selected page is designed to fit on one US Letter or A4 sheet and can also be saved as a PDF from the browser print dialog.
This free printable is suitable for short home practice, tutoring, math centers, or an independent classroom station. Begin with one page, use concrete objects or crayons when the direction calls for them, and generate a new set on another day. Accuracy and an explanation matter more than speed for these early math activities.
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Find the number taken away · □ + 4 = 10.
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