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 + 4 = 4 + ?
Answer: ______________
28 + 8 = 8 + ?
Answer: ______________
33 + 2 + 7 = 2 + ?
Answer: ______________
41 + 3 + 9 = ?
Answer: ______________
52 + 6 + 8 = 6 + ?
Answer: ______________
67 + 3 + 8 = ?
Answer: ______________
73 + 7 + 7 = 7 + ?
Answer: ______________
89 + 6 = 6 + ?
Answer: ______________
91 + 6 + 4 = ?
Answer: ______________
109 + 7 + 1 = 7 + ?
Answer: ______________
112 + 5 + 5 = ?
Answer: ______________
122 + 4 + 8 = 4 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 5
- 2. 8
- 3. 10
- 4. 13
- 5. 10
- 6. 18
- 7. 10
- 8. 9
- 9. 11
- 10. 10
- 11. 12
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties