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: ____________
18 + 6 + 2 = 6 + ?
Answer: ______________
25 + 1 + 5 = ?
Answer: ______________
39 + 9 + 1 = 9 + ?
Answer: ______________
43 + 2 + 7 = 2 + ?
Answer: ______________
59 + 7 + 3 = ?
Answer: ______________
67 + 4 = 4 + ?
Answer: ______________
76 + 7 + 4 = ?
Answer: ______________
88 + 5 = 5 + ?
Answer: ______________
94 + 6 + 4 = ?
Answer: ______________
105 + 8 + 2 = ?
Answer: ______________
112 + 7 + 8 = 7 + ?
Answer: ______________
124 + 8 + 2 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 11
- 3. 10
- 4. 10
- 5. 19
- 6. 7
- 7. 17
- 8. 8
- 9. 14
- 10. 15
- 11. 10
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties