πagarwalmath · 1st grade · Common Core MP.1
🚀 Challenge puzzles
Make sense of problems and keep at them (puzzles that need thinking, not a known method)
Name: ______________________Date: ____________
1I think of a number. I add 5, then take away 11. Now I have 3. What number did I start with?
Answer: ______________
2I think of a number. I add 4, then take away 9. Now I have 3. What number did I start with?
Answer: ______________
3I think of a number. I add 3, then take away 7. Now I have 3. What number did I start with?
Answer: ______________
4I think of a number. I add 3, then take away 1. Now I have 7. What number did I start with?
Answer: ______________
5What comes next? 1, 6, 11, 16, ?
Answer: ______________
6I think of a number. I add 6, then take away 2. Now I have 14. What number did I start with?
Answer: ______________
7I think of a number. I add 5, then take away 7. Now I have 7. What number did I start with?
Answer: ______________
8The scale balances. How much does one 🍐 weigh?
Answer: ______________
9I think of a number. I add 6, then take away 4. Now I have 12. What number did I start with?
Answer: ______________
10The scale balances. How much does one 🍌 weigh?
Answer: ______________
11I think of a number. I add 2, then take away 1. Now I have 3. What number did I start with?
Answer: ______________
12What comes next? 7, 9, 11, 13, ?
Answer: ______________
Answer key: Challenge puzzles
- 1. 9
- 2. 8
- 3. 7
- 4. 5
- 5. 21
- 6. 10
- 7. 9
- 8. 3
- 9. 10
- 10. 4
- 11. 2
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1