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: ____________
19 + 9 = 9 + ?
Answer: ______________
26 + 8 + 4 = 8 + ?
Answer: ______________
35 + 2 + 5 = 2 + ?
Answer: ______________
42 + 8 + 6 = ?
Answer: ______________
58 + 5 = 5 + ?
Answer: ______________
68 + 8 + 2 = ?
Answer: ______________
75 + 4 + 6 = ?
Answer: ______________
87 + 7 + 3 = ?
Answer: ______________
92 + 7 + 3 = ?
Answer: ______________
109 + 6 + 1 = 6 + ?
Answer: ______________
113 + 9 + 7 = 9 + ?
Answer: ______________
122 + 8 = 8 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 9
- 2. 10
- 3. 10
- 4. 16
- 5. 8
- 6. 18
- 7. 15
- 8. 17
- 9. 12
- 10. 10
- 11. 10
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties