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 + 8 = 8 + ?
Answer: ______________
25 + 2 + 8 = ?
Answer: ______________
32 + 8 + 8 = ?
Answer: ______________
46 + 8 + 4 = 14 + ?
Answer: ______________
55 + 3 = 3 + ?
Answer: ______________
61 + 3 + 7 = ?
Answer: ______________
78 + 3 = 3 + ?
Answer: ______________
87 + 9 + 3 = 10 + ?
Answer: ______________
92 + 8 + 9 = ?
Answer: ______________
103 + 9 + 7 = ?
Answer: ______________
116 + 4 + 4 = 10 + ?
Answer: ______________
129 + 3 + 1 = 12 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 5
- 2. 15
- 3. 18
- 4. 4
- 5. 5
- 6. 11
- 7. 8
- 8. 9
- 9. 19
- 10. 19
- 11. 4
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties