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: ____________
12 + 7 + 8 = 7 + ?
Answer: ______________
28 + 4 + 2 = 4 + ?
Answer: ______________
34 + 3 + 6 = 3 + ?
Answer: ______________
44 + 5 + 6 = ?
Answer: ______________
56 + 2 = 2 + ?
Answer: ______________
62 + 2 + 8 = 2 + ?
Answer: ______________
78 + 2 + 1 = ?
Answer: ______________
88 + 2 + 7 = ?
Answer: ______________
99 + 1 + 8 = ?
Answer: ______________
103 + 8 + 7 = 8 + ?
Answer: ______________
119 + 4 + 6 = ?
Answer: ______________
127 + 5 + 3 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 10
- 3. 10
- 4. 15
- 5. 6
- 6. 10
- 7. 11
- 8. 17
- 9. 18
- 10. 10
- 11. 19
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties