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 = ?
Answer: ______________
27 + 4 + 3 = 4 + ?
Answer: ______________
32 + 4 + 6 = ?
Answer: ______________
42 + 2 = 2 + ?
Answer: ______________
53 + 7 = 7 + ?
Answer: ______________
65 + 5 + 8 = ?
Answer: ______________
75 + 5 = 5 + ?
Answer: ______________
86 + 4 + 4 = 4 + ?
Answer: ______________
92 + 4 = 4 + ?
Answer: ______________
101 + 9 + 6 = ?
Answer: ______________
119 + 5 + 1 = 5 + ?
Answer: ______________
123 + 2 + 8 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 13
- 2. 10
- 3. 12
- 4. 2
- 5. 3
- 6. 18
- 7. 5
- 8. 10
- 9. 2
- 10. 16
- 11. 10
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties