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: ____________
13 + 2 = 2 + ?
Answer: ______________
25 + 5 + 1 = ?
Answer: ______________
33 + 3 + 7 = 10 + ?
Answer: ______________
42 + 3 + 8 = ?
Answer: ______________
55 + 9 + 5 = 14 + ?
Answer: ______________
64 + 4 = 4 + ?
Answer: ______________
79 + 3 + 1 = ?
Answer: ______________
89 + 6 = 6 + ?
Answer: ______________
96 + 1 + 4 = ?
Answer: ______________
106 + 8 + 4 = 14 + ?
Answer: ______________
118 + 4 + 2 = 12 + ?
Answer: ______________
121 + 3 + 9 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 3
- 2. 11
- 3. 3
- 4. 13
- 5. 5
- 6. 4
- 7. 13
- 8. 9
- 9. 11
- 10. 4
- 11. 2
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties