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: ____________
15 + 2 + 5 = ?
Answer: ______________
22 + 3 = 3 + ?
Answer: ______________
32 + 8 + 2 = ?
Answer: ______________
47 + 3 + 1 = ?
Answer: ______________
55 + 5 + 3 = ?
Answer: ______________
66 + 6 = 6 + ?
Answer: ______________
75 + 7 = 7 + ?
Answer: ______________
88 + 1 + 9 = ?
Answer: ______________
96 + 4 + 4 = ?
Answer: ______________
109 + 9 = 9 + ?
Answer: ______________
114 + 4 + 6 = ?
Answer: ______________
124 + 7 + 6 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 12
- 2. 2
- 3. 12
- 4. 11
- 5. 13
- 6. 6
- 7. 5
- 8. 18
- 9. 14
- 10. 9
- 11. 14
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties