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 + 2 + 3 = 2 + ?
Answer: ______________
26 + 8 = 8 + ?
Answer: ______________
33 + 7 = 7 + ?
Answer: ______________
42 + 2 + 8 = 2 + ?
Answer: ______________
54 + 3 + 6 = 3 + ?
Answer: ______________
63 + 5 + 7 = 5 + ?
Answer: ______________
75 + 4 + 5 = ?
Answer: ______________
84 + 8 + 6 = 8 + ?
Answer: ______________
98 + 3 = 3 + ?
Answer: ______________
107 + 2 + 8 = ?
Answer: ______________
113 + 7 + 7 = ?
Answer: ______________
129 + 9 + 1 = 9 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 6
- 3. 3
- 4. 10
- 5. 10
- 6. 10
- 7. 14
- 8. 10
- 9. 8
- 10. 17
- 11. 17
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties