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 + 5 + 1 = ?
Answer: ______________
21 + 5 + 5 = ?
Answer: ______________
37 + 7 + 3 = 7 + ?
Answer: ______________
47 + 6 = 6 + ?
Answer: ______________
53 + 5 + 5 = ?
Answer: ______________
65 + 4 = 4 + ?
Answer: ______________
73 + 6 + 7 = 6 + ?
Answer: ______________
81 + 9 + 9 = ?
Answer: ______________
97 + 8 + 3 = ?
Answer: ______________
108 + 7 = 7 + ?
Answer: ______________
116 + 9 + 4 = 9 + ?
Answer: ______________
127 + 9 = 9 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 15
- 2. 11
- 3. 10
- 4. 7
- 5. 13
- 6. 5
- 7. 10
- 8. 19
- 9. 18
- 10. 8
- 11. 10
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties