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: ____________
16 + 5 = 5 + ?
Answer: ______________
22 + 3 + 8 = 3 + ?
Answer: ______________
31 + 9 + 1 = ?
Answer: ______________
48 + 2 + 5 = ?
Answer: ______________
59 + 8 = 8 + ?
Answer: ______________
69 + 6 = 6 + ?
Answer: ______________
79 + 3 + 1 = 3 + ?
Answer: ______________
85 + 7 + 3 = ?
Answer: ______________
96 + 3 + 4 = ?
Answer: ______________
102 + 4 + 6 = ?
Answer: ______________
114 + 6 + 1 = ?
Answer: ______________
129 + 7 = 7 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 6
- 2. 10
- 3. 11
- 4. 15
- 5. 9
- 6. 9
- 7. 10
- 8. 15
- 9. 13
- 10. 12
- 11. 11
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties