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: ____________
13 + 9 + 1 = ?
Answer: ______________
22 + 9 = 9 + ?
Answer: ______________
32 + 1 + 9 = ?
Answer: ______________
43 + 8 + 7 = 8 + ?
Answer: ______________
56 + 2 + 4 = 2 + ?
Answer: ______________
67 + 6 = 6 + ?
Answer: ______________
78 + 8 + 2 = ?
Answer: ______________
81 + 9 + 4 = ?
Answer: ______________
92 + 5 + 8 = 5 + ?
Answer: ______________
107 + 8 + 2 = ?
Answer: ______________
115 + 8 + 5 = 8 + ?
Answer: ______________
123 + 7 + 7 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 13
- 2. 2
- 3. 12
- 4. 10
- 5. 10
- 6. 7
- 7. 18
- 8. 14
- 9. 10
- 10. 17
- 11. 10
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties