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 + 9 = 9 + ?
Answer: ______________
22 + 8 + 8 = ?
Answer: ______________
38 + 9 = 9 + ?
Answer: ______________
46 + 4 = 4 + ?
Answer: ______________
55 + 5 + 4 = ?
Answer: ______________
62 + 6 + 4 = ?
Answer: ______________
79 + 2 = 2 + ?
Answer: ______________
86 + 3 + 4 = ?
Answer: ______________
94 + 8 = 8 + ?
Answer: ______________
109 + 4 = 4 + ?
Answer: ______________
117 + 3 = 3 + ?
Answer: ______________
124 + 4 + 6 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 9
- 2. 18
- 3. 8
- 4. 6
- 5. 14
- 6. 12
- 7. 9
- 8. 13
- 9. 4
- 10. 9
- 11. 7
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties