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: ____________
11 + 9 + 5 = ?
Answer: ______________
22 + 2 + 8 = 10 + ?
Answer: ______________
34 + 1 + 6 = ?
Answer: ______________
45 + 2 = 2 + ?
Answer: ______________
54 + 7 = 7 + ?
Answer: ______________
67 + 3 + 5 = ?
Answer: ______________
78 + 7 = 7 + ?
Answer: ______________
86 + 2 = 2 + ?
Answer: ______________
98 + 2 + 4 = ?
Answer: ______________
106 + 7 = 7 + ?
Answer: ______________
119 + 4 + 1 = ?
Answer: ______________
124 + 3 + 6 = 7 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 15
- 2. 2
- 3. 11
- 4. 5
- 5. 4
- 6. 15
- 7. 8
- 8. 6
- 9. 14
- 10. 6
- 11. 14
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties