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 + 4 + 2 = ?
Answer: ______________
28 + 2 + 9 = ?
Answer: ______________
38 + 8 + 2 = 8 + ?
Answer: ______________
43 + 4 + 7 = 4 + ?
Answer: ______________
53 + 3 + 7 = 3 + ?
Answer: ______________
62 + 5 + 8 = 5 + ?
Answer: ______________
71 + 5 + 9 = ?
Answer: ______________
82 + 3 + 7 = ?
Answer: ______________
97 + 2 = 2 + ?
Answer: ______________
104 + 4 = 4 + ?
Answer: ______________
116 + 4 + 4 = ?
Answer: ______________
126 + 3 + 4 = 3 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 14
- 2. 19
- 3. 10
- 4. 10
- 5. 10
- 6. 10
- 7. 15
- 8. 12
- 9. 7
- 10. 4
- 11. 14
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties