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 = 4 + ?
Answer: ______________
25 + 8 = 8 + ?
Answer: ______________
32 + 2 + 8 = ?
Answer: ______________
42 + 5 = 5 + ?
Answer: ______________
53 + 5 = 5 + ?
Answer: ______________
62 + 8 + 5 = ?
Answer: ______________
79 + 3 = 3 + ?
Answer: ______________
83 + 7 + 9 = ?
Answer: ______________
97 + 8 = 8 + ?
Answer: ______________
102 + 1 + 9 = ?
Answer: ______________
119 + 1 + 6 = ?
Answer: ______________
126 + 3 + 7 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 6
- 2. 5
- 3. 12
- 4. 2
- 5. 3
- 6. 15
- 7. 9
- 8. 19
- 9. 7
- 10. 12
- 11. 16
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties