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 + 2 = ?
Answer: ______________
23 + 5 = 5 + ?
Answer: ______________
37 + 3 + 3 = ?
Answer: ______________
43 + 4 = 4 + ?
Answer: ______________
59 + 5 + 1 = 5 + ?
Answer: ______________
69 + 3 = 3 + ?
Answer: ______________
79 + 4 + 6 = ?
Answer: ______________
85 + 2 + 5 = 2 + ?
Answer: ______________
97 + 6 + 3 = 6 + ?
Answer: ______________
103 + 9 = 9 + ?
Answer: ______________
111 + 8 + 2 = ?
Answer: ______________
123 + 3 = 3 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 12
- 2. 3
- 3. 13
- 4. 3
- 5. 10
- 6. 9
- 7. 19
- 8. 10
- 9. 10
- 10. 3
- 11. 11
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties