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 + 3 = 4 + ?
Answer: ______________
25 + 8 + 2 = ?
Answer: ______________
32 + 5 + 8 = ?
Answer: ______________
42 + 8 + 5 = ?
Answer: ______________
55 + 6 = 6 + ?
Answer: ______________
63 + 2 + 8 = ?
Answer: ______________
76 + 9 + 1 = ?
Answer: ______________
86 + 2 = 2 + ?
Answer: ______________
99 + 1 + 9 = ?
Answer: ______________
102 + 5 + 8 = 5 + ?
Answer: ______________
111 + 5 + 5 = ?
Answer: ______________
128 + 3 = 3 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 15
- 3. 15
- 4. 15
- 5. 5
- 6. 13
- 7. 16
- 8. 6
- 9. 19
- 10. 10
- 11. 11
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties