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 + 1 = 5 + ?
Answer: ______________
22 + 2 = 2 + ?
Answer: ______________
37 + 3 + 8 = ?
Answer: ______________
42 + 9 = 9 + ?
Answer: ______________
56 + 3 = 3 + ?
Answer: ______________
66 + 4 + 4 = 4 + ?
Answer: ______________
78 + 5 + 5 = ?
Answer: ______________
85 + 3 = 3 + ?
Answer: ______________
95 + 5 + 2 = ?
Answer: ______________
107 + 9 + 1 = ?
Answer: ______________
112 + 5 + 8 = 5 + ?
Answer: ______________
124 + 3 + 6 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 2
- 3. 18
- 4. 2
- 5. 6
- 6. 10
- 7. 18
- 8. 5
- 9. 12
- 10. 17
- 11. 10
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties