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 + 8 + 3 = 8 + ?
Answer: ______________
37 + 5 = 5 + ?
Answer: ______________
43 + 7 + 1 = ?
Answer: ______________
55 + 5 + 5 = ?
Answer: ______________
66 + 9 + 4 = 9 + ?
Answer: ______________
72 + 6 = 6 + ?
Answer: ______________
84 + 9 + 6 = 9 + ?
Answer: ______________
94 + 3 = 3 + ?
Answer: ______________
107 + 6 = 6 + ?
Answer: ______________
112 + 8 + 8 = ?
Answer: ______________
121 + 8 + 9 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 9
- 2. 10
- 3. 7
- 4. 11
- 5. 15
- 6. 10
- 7. 2
- 8. 10
- 9. 4
- 10. 7
- 11. 18
- 12. 18
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties