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 + 8 = 8 + ?
Answer: ______________
23 + 2 = 2 + ?
Answer: ______________
34 + 2 + 6 = ?
Answer: ______________
46 + 5 + 4 = 5 + ?
Answer: ______________
55 + 9 = 9 + ?
Answer: ______________
68 + 4 = 4 + ?
Answer: ______________
77 + 3 + 3 = 3 + ?
Answer: ______________
82 + 3 + 8 = ?
Answer: ______________
95 + 2 + 5 = ?
Answer: ______________
105 + 9 + 5 = 9 + ?
Answer: ______________
111 + 3 + 7 = ?
Answer: ______________
121 + 2 + 8 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 2
- 2. 3
- 3. 12
- 4. 10
- 5. 5
- 6. 8
- 7. 10
- 8. 13
- 9. 12
- 10. 10
- 11. 11
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties