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: ____________
11 + 5 + 9 = ?
Answer: ______________
23 + 7 + 8 = ?
Answer: ______________
32 + 5 = 5 + ?
Answer: ______________
49 + 8 = 8 + ?
Answer: ______________
59 + 5 + 1 = ?
Answer: ______________
64 + 5 + 6 = ?
Answer: ______________
79 + 4 + 6 = ?
Answer: ______________
85 + 2 + 5 = ?
Answer: ______________
98 + 9 + 1 = ?
Answer: ______________
104 + 6 + 6 = ?
Answer: ______________
112 + 9 = 9 + ?
Answer: ______________
123 + 2 + 8 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 15
- 2. 18
- 3. 2
- 4. 9
- 5. 15
- 6. 15
- 7. 19
- 8. 12
- 9. 18
- 10. 16
- 11. 2
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties