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 + 3 + 1 = 12 + ?
Answer: ______________
29 + 4 + 1 = 10 + ?
Answer: ______________
35 + 4 + 5 = 10 + ?
Answer: ______________
49 + 1 + 1 = ?
Answer: ______________
53 + 2 = 2 + ?
Answer: ______________
66 + 8 = 8 + ?
Answer: ______________
74 + 8 + 6 = 12 + ?
Answer: ______________
88 + 2 + 6 = ?
Answer: ______________
97 + 3 + 8 = ?
Answer: ______________
107 + 3 = 3 + ?
Answer: ______________
112 + 7 + 8 = ?
Answer: ______________
129 + 1 + 5 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 1
- 2. 4
- 3. 4
- 4. 11
- 5. 3
- 6. 6
- 7. 6
- 8. 16
- 9. 18
- 10. 7
- 11. 17
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties