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: ____________
15 + 7 = 7 + ?
Answer: ______________
25 + 3 = 3 + ?
Answer: ______________
35 + 7 + 5 = 7 + ?
Answer: ______________
46 + 3 + 4 = ?
Answer: ______________
58 + 4 = 4 + ?
Answer: ______________
68 + 6 = 6 + ?
Answer: ______________
74 + 9 + 6 = 9 + ?
Answer: ______________
87 + 8 = 8 + ?
Answer: ______________
99 + 6 = 6 + ?
Answer: ______________
102 + 1 + 9 = ?
Answer: ______________
116 + 1 + 9 = ?
Answer: ______________
129 + 7 + 1 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 5
- 2. 5
- 3. 10
- 4. 13
- 5. 8
- 6. 8
- 7. 10
- 8. 7
- 9. 9
- 10. 12
- 11. 16
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties