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 + 2 = 2 + ?
Answer: ______________
25 + 9 = 9 + ?
Answer: ______________
36 + 5 + 4 = 5 + ?
Answer: ______________
49 + 6 = 6 + ?
Answer: ______________
56 + 9 + 4 = 9 + ?
Answer: ______________
61 + 4 + 6 = ?
Answer: ______________
74 + 5 = 5 + ?
Answer: ______________
85 + 7 + 5 = 7 + ?
Answer: ______________
94 + 7 = 7 + ?
Answer: ______________
103 + 7 + 5 = ?
Answer: ______________
117 + 3 + 5 = ?
Answer: ______________
122 + 9 + 8 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 8
- 2. 5
- 3. 10
- 4. 9
- 5. 10
- 6. 11
- 7. 4
- 8. 10
- 9. 4
- 10. 15
- 11. 15
- 12. 19
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties