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: ____________
15 + 8 + 2 = ?
Answer: ______________
28 + 3 + 2 = 3 + ?
Answer: ______________
31 + 1 + 9 = ?
Answer: ______________
42 + 1 + 8 = ?
Answer: ______________
59 + 7 + 1 = 7 + ?
Answer: ______________
62 + 8 + 8 = 8 + ?
Answer: ______________
77 + 9 + 3 = 9 + ?
Answer: ______________
84 + 4 + 6 = ?
Answer: ______________
98 + 8 = 8 + ?
Answer: ______________
104 + 7 = 7 + ?
Answer: ______________
112 + 4 = 4 + ?
Answer: ______________
126 + 7 + 4 = 7 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 15
- 2. 10
- 3. 11
- 4. 11
- 5. 10
- 6. 10
- 7. 10
- 8. 14
- 9. 8
- 10. 4
- 11. 2
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties