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: ____________
18 + 9 = 9 + ?
Answer: ______________
25 + 8 + 5 = 8 + ?
Answer: ______________
37 + 6 + 4 = ?
Answer: ______________
43 + 9 = 9 + ?
Answer: ______________
54 + 7 + 6 = 7 + ?
Answer: ______________
63 + 3 = 3 + ?
Answer: ______________
72 + 4 = 4 + ?
Answer: ______________
83 + 6 = 6 + ?
Answer: ______________
98 + 5 = 5 + ?
Answer: ______________
105 + 2 = 2 + ?
Answer: ______________
112 + 2 + 8 = ?
Answer: ______________
125 + 3 + 7 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 8
- 2. 10
- 3. 17
- 4. 3
- 5. 10
- 6. 3
- 7. 2
- 8. 3
- 9. 8
- 10. 5
- 11. 12
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties