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: ____________
17 + 4 = 4 + ?
Answer: ______________
27 + 3 + 3 = 10 + ?
Answer: ______________
34 + 5 + 6 = 10 + ?
Answer: ______________
45 + 3 + 5 = 10 + ?
Answer: ______________
56 + 2 = 2 + ?
Answer: ______________
68 + 9 + 2 = 17 + ?
Answer: ______________
76 + 7 + 4 = 13 + ?
Answer: ______________
87 + 5 = 5 + ?
Answer: ______________
96 + 1 + 9 = ?
Answer: ______________
106 + 8 = 8 + ?
Answer: ______________
119 + 6 + 1 = 15 + ?
Answer: ______________
129 + 9 + 1 = 18 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 7
- 2. 3
- 3. 5
- 4. 3
- 5. 6
- 6. 2
- 7. 4
- 8. 7
- 9. 16
- 10. 6
- 11. 1
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties