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 6, then take away 7. Now I have 7. What number did I start with?
Answer: ______________
2I think of a number. I add 6, then take away 9. Now I have 2. What number did I start with?
Answer: ______________
3I am more than 10 and less than 14, and I am even. What number am I?
Answer: ______________
4I think of a number. I add 5, then take away 14. Now I have 1. What number did I start with?
Answer: ______________
5I think of a number. I add 5, then take away 6. Now I have 3. What number did I start with?
Answer: ______________
6What comes next? 9, 14, 19, 24, ?
Answer: ______________
7I am more than 25 and less than 29, and I am odd. What number am I?
Answer: ______________
8The scale balances. How much does one 🍐 weigh?
Answer: ______________
9I think of a number. I add 4, then take away 9. Now I have 2. What number did I start with?
Answer: ______________
10I am more than 5 and less than 9, and I am odd. What number am I?
Answer: ______________
11What comes next? 16, 26, 36, 46, ?
Answer: ______________
12I think of a number. I add 2, then take away 10. Now I have 3. What number did I start with?
Answer: ______________
Answer key: Challenge puzzles
- 1. 8
- 2. 5
- 3. 12
- 4. 10
- 5. 4
- 6. 29
- 7. 27
- 8. 5
- 9. 7
- 10. 7
- 11. 56
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/challenge-1