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: ______________
23 + 7 + 7 = ?
Answer: ______________
37 + 6 = 6 + ?
Answer: ______________
49 + 6 = 6 + ?
Answer: ______________
58 + 3 + 2 = ?
Answer: ______________
69 + 1 + 8 = ?
Answer: ______________
77 + 8 = 8 + ?
Answer: ______________
88 + 1 + 2 = ?
Answer: ______________
92 + 6 = 6 + ?
Answer: ______________
105 + 2 = 2 + ?
Answer: ______________
113 + 5 + 7 = ?
Answer: ______________
128 + 3 = 3 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 5
- 2. 17
- 3. 7
- 4. 9
- 5. 13
- 6. 18
- 7. 7
- 8. 11
- 9. 2
- 10. 5
- 11. 15
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties