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 + 5 + 5 = ?
Answer: ______________
23 + 7 = 7 + ?
Answer: ______________
31 + 1 + 9 = ?
Answer: ______________
43 + 5 = 5 + ?
Answer: ______________
56 + 7 = 7 + ?
Answer: ______________
61 + 9 + 8 = ?
Answer: ______________
72 + 6 = 6 + ?
Answer: ______________
85 + 3 + 7 = ?
Answer: ______________
94 + 6 + 6 = 10 + ?
Answer: ______________
107 + 2 + 3 = 9 + ?
Answer: ______________
117 + 5 + 3 = ?
Answer: ______________
127 + 3 + 3 = 10 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 18
- 2. 3
- 3. 11
- 4. 3
- 5. 6
- 6. 18
- 7. 2
- 8. 15
- 9. 6
- 10. 3
- 11. 15
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties