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: ____________
16 + 4 + 1 = ?
Answer: ______________
28 + 2 + 5 = ?
Answer: ______________
38 + 9 + 2 = ?
Answer: ______________
47 + 7 + 3 = 14 + ?
Answer: ______________
56 + 7 + 4 = 10 + ?
Answer: ______________
66 + 9 + 1 = ?
Answer: ______________
74 + 2 + 6 = 6 + ?
Answer: ______________
83 + 2 + 7 = 10 + ?
Answer: ______________
96 + 3 + 4 = 9 + ?
Answer: ______________
108 + 3 + 2 = 11 + ?
Answer: ______________
111 + 1 + 9 = ?
Answer: ______________
123 + 3 + 7 = 6 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 11
- 2. 15
- 3. 19
- 4. 3
- 5. 7
- 6. 16
- 7. 6
- 8. 2
- 9. 4
- 10. 2
- 11. 11
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties