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 + 8 = 8 + ?
Answer: ______________
23 + 6 = 6 + ?
Answer: ______________
37 + 9 + 3 = ?
Answer: ______________
47 + 7 = 7 + ?
Answer: ______________
56 + 5 = 5 + ?
Answer: ______________
65 + 6 + 4 = ?
Answer: ______________
79 + 1 + 1 = ?
Answer: ______________
85 + 3 = 3 + ?
Answer: ______________
93 + 4 = 4 + ?
Answer: ______________
108 + 2 + 1 = ?
Answer: ______________
112 + 2 = 2 + ?
Answer: ______________
125 + 5 + 6 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 8
- 2. 3
- 3. 19
- 4. 7
- 5. 6
- 6. 15
- 7. 11
- 8. 5
- 9. 3
- 10. 11
- 11. 2
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties