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: ____________
13 + 2 = 2 + ?
Answer: ______________
29 + 6 + 1 = 15 + ?
Answer: ______________
39 + 2 + 1 = 11 + ?
Answer: ______________
42 + 3 + 8 = 10 + ?
Answer: ______________
55 + 6 + 5 = 11 + ?
Answer: ______________
68 + 7 + 3 = ?
Answer: ______________
76 + 2 + 4 = 8 + ?
Answer: ______________
85 + 7 + 5 = 12 + ?
Answer: ______________
94 + 6 + 6 = 10 + ?
Answer: ______________
104 + 6 + 7 = ?
Answer: ______________
117 + 6 + 3 = 13 + ?
Answer: ______________
126 + 6 + 4 = 12 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 3
- 2. 1
- 3. 1
- 4. 3
- 5. 5
- 6. 18
- 7. 4
- 8. 5
- 9. 6
- 10. 17
- 11. 3
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties