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: ____________
18 + 8 + 2 = 16 + ?
Answer: ______________
23 + 9 = 9 + ?
Answer: ______________
38 + 2 + 1 = ?
Answer: ______________
41 + 8 + 9 = ?
Answer: ______________
55 + 6 = 6 + ?
Answer: ______________
68 + 8 = 8 + ?
Answer: ______________
74 + 8 = 8 + ?
Answer: ______________
85 + 2 = 2 + ?
Answer: ______________
92 + 4 + 8 = 6 + ?
Answer: ______________
105 + 9 = 9 + ?
Answer: ______________
112 + 9 = 9 + ?
Answer: ______________
128 + 6 + 2 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 2
- 2. 3
- 3. 11
- 4. 18
- 5. 5
- 6. 8
- 7. 4
- 8. 5
- 9. 8
- 10. 5
- 11. 2
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties