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: ____________
18 + 2 + 9 = ?
Answer: ______________
29 + 3 + 7 = ?
Answer: ______________
37 + 3 + 7 = ?
Answer: ______________
47 + 2 + 3 = 10 + ?
Answer: ______________
56 + 7 + 4 = ?
Answer: ______________
63 + 9 + 7 = 12 + ?
Answer: ______________
71 + 9 + 1 = ?
Answer: ______________
83 + 2 = 2 + ?
Answer: ______________
97 + 2 = 2 + ?
Answer: ______________
102 + 1 + 8 = ?
Answer: ______________
113 + 7 + 7 = 10 + ?
Answer: ______________
126 + 3 + 4 = 9 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 19
- 2. 19
- 3. 17
- 4. 2
- 5. 17
- 6. 7
- 7. 11
- 8. 3
- 9. 7
- 10. 11
- 11. 7
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties