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: ____________
12 + 5 = 5 + ?
Answer: ______________
26 + 4 + 1 = ?
Answer: ______________
39 + 9 + 1 = 9 + ?
Answer: ______________
44 + 4 + 6 = ?
Answer: ______________
56 + 7 + 3 = ?
Answer: ______________
67 + 4 + 3 = 4 + ?
Answer: ______________
75 + 4 + 5 = 4 + ?
Answer: ______________
85 + 3 = 3 + ?
Answer: ______________
98 + 6 = 6 + ?
Answer: ______________
106 + 3 + 4 = 3 + ?
Answer: ______________
115 + 6 + 5 = 6 + ?
Answer: ______________
124 + 5 + 6 = 5 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 2
- 2. 11
- 3. 10
- 4. 14
- 5. 16
- 6. 10
- 7. 10
- 8. 5
- 9. 8
- 10. 10
- 11. 10
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties