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: ____________
17 + 4 = 4 + ?
Answer: ______________
25 + 4 + 5 = 4 + ?
Answer: ______________
35 + 5 + 5 = 5 + ?
Answer: ______________
45 + 6 = 6 + ?
Answer: ______________
55 + 5 = 5 + ?
Answer: ______________
65 + 2 + 5 = ?
Answer: ______________
72 + 6 = 6 + ?
Answer: ______________
83 + 8 + 2 = ?
Answer: ______________
95 + 2 = 2 + ?
Answer: ______________
102 + 4 = 4 + ?
Answer: ______________
116 + 9 + 4 = 9 + ?
Answer: ______________
123 + 1 + 9 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 7
- 2. 10
- 3. 10
- 4. 5
- 5. 5
- 6. 12
- 7. 2
- 8. 13
- 9. 5
- 10. 2
- 11. 10
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties