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 + 8 = ?
Answer: ______________
22 + 8 + 8 = ?
Answer: ______________
38 + 6 = 6 + ?
Answer: ______________
49 + 3 = 3 + ?
Answer: ______________
56 + 4 + 1 = ?
Answer: ______________
67 + 3 + 4 = ?
Answer: ______________
79 + 9 = 9 + ?
Answer: ______________
85 + 8 + 5 = ?
Answer: ______________
93 + 3 = 3 + ?
Answer: ______________
107 + 4 + 6 = ?
Answer: ______________
119 + 6 = 6 + ?
Answer: ______________
122 + 3 = 3 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 18
- 2. 18
- 3. 8
- 4. 9
- 5. 11
- 6. 14
- 7. 9
- 8. 18
- 9. 3
- 10. 17
- 11. 9
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties