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: ____________
12 + 3 = 3 + ?
Answer: ______________
22 + 8 = 8 + ?
Answer: ______________
34 + 9 + 6 = ?
Answer: ______________
41 + 9 + 5 = ?
Answer: ______________
56 + 5 + 5 = ?
Answer: ______________
62 + 6 = 6 + ?
Answer: ______________
78 + 2 + 2 = ?
Answer: ______________
86 + 2 + 4 = ?
Answer: ______________
96 + 4 = 4 + ?
Answer: ______________
108 + 6 + 4 = ?
Answer: ______________
119 + 2 + 1 = ?
Answer: ______________
121 + 7 + 9 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 2
- 2. 2
- 3. 19
- 4. 15
- 5. 16
- 6. 2
- 7. 12
- 8. 12
- 9. 6
- 10. 18
- 11. 12
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties