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 + 7 + 2 = 7 + ?
Answer: ______________
21 + 3 + 7 = ?
Answer: ______________
37 + 3 + 3 = 3 + ?
Answer: ______________
46 + 2 + 4 = 2 + ?
Answer: ______________
54 + 7 + 6 = 7 + ?
Answer: ______________
64 + 2 + 6 = ?
Answer: ______________
77 + 4 + 3 = 4 + ?
Answer: ______________
89 + 2 + 1 = 2 + ?
Answer: ______________
97 + 2 = 2 + ?
Answer: ______________
101 + 9 + 9 = ?
Answer: ______________
117 + 7 + 3 = 7 + ?
Answer: ______________
127 + 1 + 9 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 11
- 3. 10
- 4. 10
- 5. 10
- 6. 12
- 7. 10
- 8. 10
- 9. 7
- 10. 19
- 11. 10
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties