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 + 4 = 4 + ?
Answer: ______________
22 + 5 = 5 + ?
Answer: ______________
32 + 2 + 8 = 2 + ?
Answer: ______________
42 + 4 + 8 = 4 + ?
Answer: ______________
56 + 7 + 4 = ?
Answer: ______________
65 + 5 + 5 = ?
Answer: ______________
77 + 3 + 8 = ?
Answer: ______________
83 + 8 + 7 = 8 + ?
Answer: ______________
98 + 3 + 2 = ?
Answer: ______________
101 + 1 + 9 = ?
Answer: ______________
114 + 9 + 6 = 9 + ?
Answer: ______________
127 + 8 = 8 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 8
- 2. 2
- 3. 10
- 4. 10
- 5. 17
- 6. 15
- 7. 18
- 8. 10
- 9. 13
- 10. 11
- 11. 10
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties