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 + 4 = 4 + ?
Answer: ______________
28 + 3 + 2 = ?
Answer: ______________
34 + 7 + 6 = 7 + ?
Answer: ______________
46 + 9 + 4 = ?
Answer: ______________
55 + 6 + 5 = 6 + ?
Answer: ______________
62 + 4 = 4 + ?
Answer: ______________
72 + 8 + 8 = ?
Answer: ______________
86 + 8 + 4 = ?
Answer: ______________
91 + 6 + 9 = ?
Answer: ______________
108 + 2 = 2 + ?
Answer: ______________
118 + 8 = 8 + ?
Answer: ______________
128 + 6 + 4 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 9
- 2. 13
- 3. 10
- 4. 19
- 5. 10
- 6. 2
- 7. 18
- 8. 18
- 9. 16
- 10. 8
- 11. 8
- 12. 18
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties