πagarwalmath · 1st grade · Common Core 1.OA.B.3
🔄 Turn-around and make-ten
Use properties (3 + 8 = 8 + 3; make a ten first)
Name: ______________________Date: ____________
18 + 3 + 2 = 11 + ?
Answer: ______________
29 + 3 + 1 = 12 + ?
Answer: ______________
39 + 9 + 1 = 10 + ?
Answer: ______________
45 + 3 + 5 = ?
Answer: ______________
58 + 5 = 5 + ?
Answer: ______________
62 + 6 = 6 + ?
Answer: ______________
71 + 9 + 1 = ?
Answer: ______________
82 + 3 = 3 + ?
Answer: ______________
95 + 6 + 5 = ?
Answer: ______________
103 + 7 + 6 = ?
Answer: ______________
117 + 3 = 3 + ?
Answer: ______________
127 + 9 = 9 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 2
- 2. 1
- 3. 9
- 4. 13
- 5. 8
- 6. 2
- 7. 11
- 8. 2
- 9. 16
- 10. 16
- 11. 7
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties