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 + 6 = 6 + ?
Answer: ______________
22 + 4 + 6 = ?
Answer: ______________
37 + 3 + 3 = ?
Answer: ______________
45 + 5 + 5 = 5 + ?
Answer: ______________
52 + 4 + 8 = 4 + ?
Answer: ______________
62 + 2 + 8 = 2 + ?
Answer: ______________
73 + 8 + 7 = ?
Answer: ______________
83 + 9 + 7 = 9 + ?
Answer: ______________
99 + 2 + 1 = 2 + ?
Answer: ______________
102 + 7 = 7 + ?
Answer: ______________
111 + 3 + 9 = ?
Answer: ______________
126 + 8 = 8 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 2
- 2. 12
- 3. 13
- 4. 10
- 5. 10
- 6. 10
- 7. 18
- 8. 10
- 9. 10
- 10. 2
- 11. 13
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties