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: ____________
12 + 9 + 8 = ?
Answer: ______________
25 + 5 + 2 = ?
Answer: ______________
35 + 8 = 8 + ?
Answer: ______________
49 + 8 + 1 = ?
Answer: ______________
52 + 4 = 4 + ?
Answer: ______________
65 + 5 + 7 = ?
Answer: ______________
72 + 3 = 3 + ?
Answer: ______________
87 + 4 = 4 + ?
Answer: ______________
97 + 9 = 9 + ?
Answer: ______________
103 + 5 = 5 + ?
Answer: ______________
111 + 9 + 1 = ?
Answer: ______________
124 + 4 = 4 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 19
- 2. 12
- 3. 5
- 4. 18
- 5. 2
- 6. 17
- 7. 2
- 8. 7
- 9. 7
- 10. 3
- 11. 11
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties