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 + 7 = 7 + ?
Answer: ______________
27 + 7 = 7 + ?
Answer: ______________
31 + 1 + 9 = ?
Answer: ______________
48 + 9 = 9 + ?
Answer: ______________
54 + 5 = 5 + ?
Answer: ______________
67 + 5 = 5 + ?
Answer: ______________
77 + 2 + 3 = ?
Answer: ______________
87 + 8 = 8 + ?
Answer: ______________
92 + 8 + 7 = ?
Answer: ______________
109 + 9 = 9 + ?
Answer: ______________
119 + 1 + 8 = ?
Answer: ______________
129 + 6 + 4 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 9
- 2. 7
- 3. 11
- 4. 8
- 5. 4
- 6. 7
- 7. 12
- 8. 7
- 9. 17
- 10. 9
- 11. 18
- 12. 19
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties