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: ____________
12 + 7 + 3 = ?
Answer: ______________
25 + 4 + 5 = 4 + ?
Answer: ______________
36 + 2 + 4 = 2 + ?
Answer: ______________
44 + 3 = 3 + ?
Answer: ______________
52 + 5 + 5 = ?
Answer: ______________
65 + 8 = 8 + ?
Answer: ______________
71 + 5 + 9 = ?
Answer: ______________
89 + 9 + 1 = 9 + ?
Answer: ______________
95 + 9 + 5 = 9 + ?
Answer: ______________
108 + 8 + 2 = 8 + ?
Answer: ______________
118 + 7 = 7 + ?
Answer: ______________
129 + 3 = 3 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 12
- 2. 10
- 3. 10
- 4. 4
- 5. 12
- 6. 5
- 7. 15
- 8. 10
- 9. 10
- 10. 10
- 11. 8
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties