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 + 7 = 7 + ?
Answer: ______________
29 + 4 = 4 + ?
Answer: ______________
38 + 2 + 1 = ?
Answer: ______________
47 + 3 + 3 = 3 + ?
Answer: ______________
58 + 7 + 2 = 7 + ?
Answer: ______________
69 + 8 + 1 = 8 + ?
Answer: ______________
77 + 7 + 3 = ?
Answer: ______________
84 + 3 + 6 = 3 + ?
Answer: ______________
99 + 6 = 6 + ?
Answer: ______________
107 + 6 + 4 = ?
Answer: ______________
118 + 4 = 4 + ?
Answer: ______________
123 + 3 + 7 = 3 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 7
- 2. 9
- 3. 11
- 4. 10
- 5. 10
- 6. 10
- 7. 17
- 8. 10
- 9. 9
- 10. 17
- 11. 8
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties