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: ______________
22 + 3 = 3 + ?
Answer: ______________
33 + 9 = 9 + ?
Answer: ______________
46 + 3 = 3 + ?
Answer: ______________
52 + 8 + 5 = ?
Answer: ______________
63 + 7 + 7 = ?
Answer: ______________
78 + 9 + 1 = ?
Answer: ______________
85 + 5 + 5 = ?
Answer: ______________
97 + 9 + 1 = ?
Answer: ______________
109 + 1 + 9 = ?
Answer: ______________
117 + 5 = 5 + ?
Answer: ______________
122 + 2 = 2 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 8
- 2. 2
- 3. 3
- 4. 6
- 5. 15
- 6. 17
- 7. 18
- 8. 15
- 9. 17
- 10. 19
- 11. 7
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties