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: ____________
11 + 7 + 3 = ?
Answer: ______________
22 + 4 + 8 = 4 + ?
Answer: ______________
35 + 3 + 5 = 3 + ?
Answer: ______________
49 + 7 = 7 + ?
Answer: ______________
52 + 2 = 2 + ?
Answer: ______________
65 + 5 + 5 = 5 + ?
Answer: ______________
74 + 5 = 5 + ?
Answer: ______________
83 + 3 + 7 = 3 + ?
Answer: ______________
91 + 4 + 9 = ?
Answer: ______________
108 + 2 + 9 = ?
Answer: ______________
113 + 6 + 4 = ?
Answer: ______________
125 + 8 + 5 = 8 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 11
- 2. 10
- 3. 10
- 4. 9
- 5. 2
- 6. 10
- 7. 4
- 8. 10
- 9. 14
- 10. 19
- 11. 13
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties