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 = 5 + ?
Answer: ______________
23 + 8 = 8 + ?
Answer: ______________
32 + 7 + 8 = ?
Answer: ______________
44 + 6 + 6 = 6 + ?
Answer: ______________
52 + 9 + 1 = ?
Answer: ______________
67 + 9 = 9 + ?
Answer: ______________
79 + 5 + 1 = 5 + ?
Answer: ______________
85 + 6 = 6 + ?
Answer: ______________
91 + 9 + 8 = ?
Answer: ______________
105 + 6 + 4 = ?
Answer: ______________
117 + 4 = 4 + ?
Answer: ______________
128 + 2 + 8 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 9
- 2. 3
- 3. 17
- 4. 10
- 5. 12
- 6. 7
- 7. 10
- 8. 5
- 9. 18
- 10. 15
- 11. 7
- 12. 18
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties