Take-From, Change Unknown
1.OA.1 — Add and subtract within 20 to solve word problems involving add-to, take-from, put-together, take-apart, and compare situations, with unknowns in all positions
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What is on the three Take-From, Change Unknown worksheets
- Support
- draws a part-part-whole bar beside every problem.
- On level
- The grade's own level, with no drawings.
- Challenge
- moves the missing number out of the answer slot.
Example problems from the on-level sheet
- Luca had 13 coins on the desk. Now Luca has 4. How many did Luca take away?
- There were 19 grapes on the floor. Now there are 9. How many did Zoe take?
- Amara started with 17 marbles. Now Amara has 9. How many did Amara put away?
Every sheet is generated, so the numbers are different each time you make one.
Before this: K.OA.2 — solve addition and subtraction word problems, and add and subtract within 10.