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: ____________
17 + 9 = 9 + ?
Answer: ______________
26 + 7 + 4 = ?
Answer: ______________
33 + 7 + 3 = ?
Answer: ______________
47 + 4 = 4 + ?
Answer: ______________
59 + 4 + 6 = ?
Answer: ______________
63 + 7 + 7 = ?
Answer: ______________
77 + 9 + 1 = ?
Answer: ______________
86 + 7 = 7 + ?
Answer: ______________
97 + 8 + 3 = ?
Answer: ______________
103 + 9 = 9 + ?
Answer: ______________
114 + 6 + 6 = ?
Answer: ______________
123 + 7 + 9 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 7
- 2. 17
- 3. 13
- 4. 7
- 5. 19
- 6. 17
- 7. 17
- 8. 6
- 9. 18
- 10. 3
- 11. 16
- 12. 19
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties