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: ____________
12 + 8 + 3 = ?
Answer: ______________
29 + 7 + 1 = 7 + ?
Answer: ______________
37 + 7 = 7 + ?
Answer: ______________
47 + 3 + 9 = ?
Answer: ______________
53 + 3 + 7 = 3 + ?
Answer: ______________
63 + 4 + 7 = 4 + ?
Answer: ______________
74 + 9 = 9 + ?
Answer: ______________
84 + 3 = 3 + ?
Answer: ______________
93 + 5 + 7 = 5 + ?
Answer: ______________
102 + 5 + 8 = 5 + ?
Answer: ______________
116 + 9 + 4 = 9 + ?
Answer: ______________
129 + 4 + 6 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 13
- 2. 10
- 3. 7
- 4. 19
- 5. 10
- 6. 10
- 7. 4
- 8. 4
- 9. 10
- 10. 10
- 11. 10
- 12. 19
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties