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 + 5 = 5 + ?
Answer: ______________
23 + 1 + 7 = ?
Answer: ______________
37 + 7 = 7 + ?
Answer: ______________
44 + 4 + 6 = 8 + ?
Answer: ______________
56 + 9 + 4 = 10 + ?
Answer: ______________
62 + 5 + 8 = 7 + ?
Answer: ______________
77 + 4 = 4 + ?
Answer: ______________
89 + 4 = 4 + ?
Answer: ______________
92 + 3 + 8 = ?
Answer: ______________
108 + 9 + 2 = 10 + ?
Answer: ______________
112 + 7 + 8 = 10 + ?
Answer: ______________
128 + 6 + 2 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 3
- 2. 11
- 3. 7
- 4. 6
- 5. 9
- 6. 8
- 7. 7
- 8. 9
- 9. 13
- 10. 9
- 11. 7
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties