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: ____________
19 + 8 + 2 = ?
Answer: ______________
21 + 4 + 6 = ?
Answer: ______________
39 + 2 = 2 + ?
Answer: ______________
48 + 2 = 2 + ?
Answer: ______________
53 + 7 + 5 = ?
Answer: ______________
62 + 2 = 2 + ?
Answer: ______________
79 + 3 + 1 = ?
Answer: ______________
85 + 3 = 3 + ?
Answer: ______________
96 + 8 = 8 + ?
Answer: ______________
109 + 1 + 4 = ?
Answer: ______________
119 + 3 = 3 + ?
Answer: ______________
122 + 8 + 8 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 19
- 2. 11
- 3. 9
- 4. 8
- 5. 15
- 6. 2
- 7. 13
- 8. 5
- 9. 6
- 10. 14
- 11. 9
- 12. 18
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties