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 + 4 = 4 + ?
Answer: ______________
23 + 3 + 7 = ?
Answer: ______________
38 + 4 + 6 = ?
Answer: ______________
43 + 7 = 7 + ?
Answer: ______________
54 + 8 + 6 = 10 + ?
Answer: ______________
67 + 3 + 7 = ?
Answer: ______________
79 + 1 + 4 = ?
Answer: ______________
81 + 9 + 4 = ?
Answer: ______________
93 + 6 + 7 = 9 + ?
Answer: ______________
103 + 7 + 3 = ?
Answer: ______________
112 + 9 + 8 = 10 + ?
Answer: ______________
128 + 2 + 4 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 8
- 2. 13
- 3. 18
- 4. 3
- 5. 8
- 6. 17
- 7. 14
- 8. 14
- 9. 7
- 10. 13
- 11. 9
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties