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 + 7 = 7 + ?
Answer: ______________
22 + 3 + 8 = 10 + ?
Answer: ______________
35 + 5 + 5 = ?
Answer: ______________
46 + 4 + 8 = ?
Answer: ______________
59 + 1 + 1 = ?
Answer: ______________
68 + 9 = 9 + ?
Answer: ______________
77 + 2 + 8 = ?
Answer: ______________
81 + 4 + 6 = ?
Answer: ______________
93 + 7 + 8 = ?
Answer: ______________
105 + 8 = 8 + ?
Answer: ______________
113 + 7 + 6 = ?
Answer: ______________
124 + 3 = 3 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 3
- 2. 3
- 3. 15
- 4. 18
- 5. 11
- 6. 8
- 7. 17
- 8. 11
- 9. 18
- 10. 5
- 11. 16
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties