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 + 6 + 1 = ?
Answer: ______________
28 + 2 + 5 = ?
Answer: ______________
33 + 9 = 9 + ?
Answer: ______________
44 + 8 = 8 + ?
Answer: ______________
57 + 7 = 7 + ?
Answer: ______________
67 + 7 + 3 = ?
Answer: ______________
76 + 7 + 4 = 7 + ?
Answer: ______________
83 + 4 = 4 + ?
Answer: ______________
97 + 1 + 3 = ?
Answer: ______________
102 + 2 + 8 = 2 + ?
Answer: ______________
111 + 6 + 4 = ?
Answer: ______________
129 + 4 = 4 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 16
- 2. 15
- 3. 3
- 4. 4
- 5. 7
- 6. 17
- 7. 10
- 8. 3
- 9. 11
- 10. 10
- 11. 11
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties