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 + 9 = 9 + ?
Answer: ______________
24 + 4 = 4 + ?
Answer: ______________
38 + 2 + 2 = 2 + ?
Answer: ______________
48 + 5 = 5 + ?
Answer: ______________
58 + 9 + 2 = 9 + ?
Answer: ______________
66 + 9 + 4 = 9 + ?
Answer: ______________
74 + 2 = 2 + ?
Answer: ______________
88 + 6 + 4 = ?
Answer: ______________
97 + 9 + 1 = ?
Answer: ______________
107 + 6 + 3 = 6 + ?
Answer: ______________
115 + 3 + 5 = 3 + ?
Answer: ______________
122 + 3 = 3 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 7
- 2. 4
- 3. 10
- 4. 8
- 5. 10
- 6. 10
- 7. 4
- 8. 18
- 9. 17
- 10. 10
- 11. 10
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties