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 + 8 + 2 = 8 + ?
Answer: ______________
22 + 4 + 8 = 4 + ?
Answer: ______________
37 + 4 + 3 = 4 + ?
Answer: ______________
47 + 9 + 3 = 9 + ?
Answer: ______________
55 + 7 + 5 = 7 + ?
Answer: ______________
69 + 2 + 1 = 2 + ?
Answer: ______________
78 + 3 + 2 = ?
Answer: ______________
89 + 9 = 9 + ?
Answer: ______________
99 + 7 + 1 = 7 + ?
Answer: ______________
107 + 9 = 9 + ?
Answer: ______________
118 + 2 = 2 + ?
Answer: ______________
127 + 8 = 8 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 10
- 3. 10
- 4. 10
- 5. 10
- 6. 10
- 7. 13
- 8. 9
- 9. 10
- 10. 7
- 11. 8
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties