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: ____________
16 + 7 = 7 + ?
Answer: ______________
27 + 3 + 3 = 10 + ?
Answer: ______________
38 + 4 + 2 = ?
Answer: ______________
48 + 9 + 2 = ?
Answer: ______________
57 + 8 = 8 + ?
Answer: ______________
66 + 4 = 4 + ?
Answer: ______________
77 + 3 + 9 = ?
Answer: ______________
84 + 2 + 6 = 10 + ?
Answer: ______________
98 + 8 + 2 = ?
Answer: ______________
101 + 9 + 4 = ?
Answer: ______________
119 + 4 + 1 = 13 + ?
Answer: ______________
125 + 8 + 5 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 6
- 2. 3
- 3. 14
- 4. 19
- 5. 7
- 6. 6
- 7. 19
- 8. 2
- 9. 18
- 10. 14
- 11. 1
- 12. 18
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties