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: ____________
16 + 4 + 8 = ?
Answer: ______________
24 + 4 + 6 = 8 + ?
Answer: ______________
34 + 9 + 6 = ?
Answer: ______________
48 + 9 + 2 = 17 + ?
Answer: ______________
53 + 6 = 6 + ?
Answer: ______________
63 + 7 + 9 = ?
Answer: ______________
72 + 9 + 8 = ?
Answer: ______________
86 + 4 + 9 = ?
Answer: ______________
97 + 2 = 2 + ?
Answer: ______________
104 + 5 = 5 + ?
Answer: ______________
118 + 7 = 7 + ?
Answer: ______________
129 + 4 + 1 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 18
- 2. 6
- 3. 19
- 4. 2
- 5. 3
- 6. 19
- 7. 19
- 8. 19
- 9. 7
- 10. 4
- 11. 8
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties