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 + 5 + 5 = ?
Answer: ______________
23 + 2 = 2 + ?
Answer: ______________
38 + 7 = 7 + ?
Answer: ______________
43 + 7 + 3 = ?
Answer: ______________
54 + 3 + 7 = ?
Answer: ______________
68 + 3 = 3 + ?
Answer: ______________
73 + 8 = 8 + ?
Answer: ______________
88 + 8 = 8 + ?
Answer: ______________
99 + 1 + 4 = ?
Answer: ______________
107 + 9 = 9 + ?
Answer: ______________
117 + 8 = 8 + ?
Answer: ______________
128 + 2 + 1 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 15
- 2. 3
- 3. 8
- 4. 13
- 5. 14
- 6. 8
- 7. 3
- 8. 8
- 9. 14
- 10. 7
- 11. 7
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties