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: ____________
11 + 9 + 3 = ?
Answer: ______________
25 + 6 = 6 + ?
Answer: ______________
35 + 3 = 3 + ?
Answer: ______________
43 + 7 = 7 + ?
Answer: ______________
59 + 4 = 4 + ?
Answer: ______________
64 + 4 + 6 = 4 + ?
Answer: ______________
74 + 7 = 7 + ?
Answer: ______________
85 + 8 = 8 + ?
Answer: ______________
98 + 3 + 2 = ?
Answer: ______________
105 + 8 + 5 = 8 + ?
Answer: ______________
115 + 4 = 4 + ?
Answer: ______________
121 + 7 + 9 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 13
- 2. 5
- 3. 5
- 4. 3
- 5. 9
- 6. 10
- 7. 4
- 8. 5
- 9. 13
- 10. 10
- 11. 5
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties