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 + 6 + 4 = 6 + ?
Answer: ______________
28 + 2 = 2 + ?
Answer: ______________
37 + 6 + 3 = ?
Answer: ______________
41 + 8 + 2 = ?
Answer: ______________
58 + 9 + 2 = ?
Answer: ______________
65 + 7 + 5 = 7 + ?
Answer: ______________
72 + 5 + 8 = ?
Answer: ______________
88 + 7 + 2 = 7 + ?
Answer: ______________
98 + 3 = 3 + ?
Answer: ______________
107 + 5 + 3 = 5 + ?
Answer: ______________
112 + 3 + 7 = ?
Answer: ______________
124 + 3 + 6 = 3 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 8
- 3. 16
- 4. 11
- 5. 19
- 6. 10
- 7. 15
- 8. 10
- 9. 8
- 10. 10
- 11. 12
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties