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: ____________
17 + 4 + 3 = 4 + ?
Answer: ______________
27 + 4 = 4 + ?
Answer: ______________
39 + 4 + 6 = ?
Answer: ______________
43 + 5 + 7 = 5 + ?
Answer: ______________
59 + 8 + 1 = 8 + ?
Answer: ______________
64 + 5 + 6 = 5 + ?
Answer: ______________
77 + 2 + 3 = ?
Answer: ______________
88 + 2 = 2 + ?
Answer: ______________
99 + 5 + 1 = ?
Answer: ______________
109 + 9 + 1 = 9 + ?
Answer: ______________
116 + 4 + 6 = ?
Answer: ______________
122 + 8 + 5 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 7
- 3. 19
- 4. 10
- 5. 10
- 6. 10
- 7. 12
- 8. 8
- 9. 15
- 10. 10
- 11. 16
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties