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: ____________
14 + 9 = 9 + ?
Answer: ______________
26 + 9 + 1 = ?
Answer: ______________
38 + 8 + 2 = ?
Answer: ______________
45 + 5 = 5 + ?
Answer: ______________
56 + 4 = 4 + ?
Answer: ______________
69 + 3 = 3 + ?
Answer: ______________
77 + 3 + 5 = ?
Answer: ______________
83 + 7 = 7 + ?
Answer: ______________
99 + 5 + 1 = ?
Answer: ______________
104 + 2 + 8 = ?
Answer: ______________
113 + 2 + 7 = ?
Answer: ______________
123 + 7 + 3 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 4
- 2. 16
- 3. 18
- 4. 5
- 5. 6
- 6. 9
- 7. 15
- 8. 3
- 9. 15
- 10. 14
- 11. 12
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties