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: ____________
15 + 6 + 5 = 6 + ?
Answer: ______________
22 + 6 = 6 + ?
Answer: ______________
31 + 9 + 9 = ?
Answer: ______________
43 + 8 + 2 = ?
Answer: ______________
52 + 6 + 8 = ?
Answer: ______________
62 + 9 + 8 = 9 + ?
Answer: ______________
75 + 9 = 9 + ?
Answer: ______________
81 + 6 + 9 = ?
Answer: ______________
99 + 1 + 4 = ?
Answer: ______________
105 + 8 = 8 + ?
Answer: ______________
111 + 9 + 7 = ?
Answer: ______________
128 + 4 = 4 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 2
- 3. 19
- 4. 13
- 5. 16
- 6. 10
- 7. 5
- 8. 16
- 9. 14
- 10. 5
- 11. 17
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties