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 + 8 + 2 = ?
Answer: ______________
27 + 2 = 2 + ?
Answer: ______________
32 + 4 + 6 = ?
Answer: ______________
42 + 8 + 4 = ?
Answer: ______________
55 + 6 = 6 + ?
Answer: ______________
63 + 8 = 8 + ?
Answer: ______________
75 + 6 + 4 = ?
Answer: ______________
87 + 4 + 3 = ?
Answer: ______________
95 + 2 + 5 = ?
Answer: ______________
105 + 5 + 1 = ?
Answer: ______________
115 + 8 = 8 + ?
Answer: ______________
124 + 5 + 6 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 12
- 2. 7
- 3. 12
- 4. 14
- 5. 5
- 6. 3
- 7. 15
- 8. 14
- 9. 12
- 10. 11
- 11. 5
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties