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: ____________
15 + 7 = 7 + ?
Answer: ______________
26 + 7 = 7 + ?
Answer: ______________
37 + 3 = 3 + ?
Answer: ______________
49 + 6 = 6 + ?
Answer: ______________
51 + 9 + 1 = ?
Answer: ______________
65 + 5 = 5 + ?
Answer: ______________
74 + 9 = 9 + ?
Answer: ______________
82 + 2 = 2 + ?
Answer: ______________
97 + 3 + 6 = ?
Answer: ______________
105 + 5 + 1 = ?
Answer: ______________
115 + 5 + 8 = ?
Answer: ______________
122 + 2 + 8 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 5
- 2. 6
- 3. 7
- 4. 9
- 5. 11
- 6. 5
- 7. 4
- 8. 2
- 9. 16
- 10. 11
- 11. 18
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties