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: ____________
12 + 3 + 8 = 10 + ?
Answer: ______________
28 + 6 = 6 + ?
Answer: ______________
39 + 5 + 1 = 10 + ?
Answer: ______________
43 + 5 = 5 + ?
Answer: ______________
56 + 4 + 8 = ?
Answer: ______________
62 + 9 + 8 = 10 + ?
Answer: ______________
71 + 9 + 7 = ?
Answer: ______________
86 + 5 = 5 + ?
Answer: ______________
93 + 2 + 7 = ?
Answer: ______________
105 + 7 + 5 = 12 + ?
Answer: ______________
119 + 9 + 1 = ?
Answer: ______________
129 + 9 = 9 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 3
- 2. 8
- 3. 5
- 4. 3
- 5. 18
- 6. 9
- 7. 17
- 8. 6
- 9. 12
- 10. 5
- 11. 19
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties