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: ____________
17 + 2 = 2 + ?
Answer: ______________
27 + 3 = 3 + ?
Answer: ______________
37 + 8 = 8 + ?
Answer: ______________
48 + 2 = 2 + ?
Answer: ______________
59 + 1 + 5 = ?
Answer: ______________
68 + 2 + 5 = ?
Answer: ______________
73 + 3 = 3 + ?
Answer: ______________
85 + 3 + 5 = 10 + ?
Answer: ______________
99 + 1 + 4 = ?
Answer: ______________
104 + 6 + 9 = ?
Answer: ______________
112 + 7 = 7 + ?
Answer: ______________
121 + 2 + 9 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 7
- 2. 7
- 3. 7
- 4. 8
- 5. 15
- 6. 15
- 7. 3
- 8. 3
- 9. 14
- 10. 19
- 11. 2
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties