Common mistakes |
The Wrong Way |
The Correct Way |
#1: Students forget to express the ratio in the same unit of measure. |
Q: Express 50m to 2km as a ratio
|
Q: Express 50m to 2km as a ratio
50m |
: |
2km |
50m |
: |
2000m |
1 |
: |
40 |
|
| |
#2: Students forget to express the ratio in whole numbers. |
Q: Express 0.45m to 0.63 m as a ratio
0.45m |
: |
0.63m |
0.05 |
: |
0.07 |
|
Q: Express 0.45m to 0.63m as a ratio
|
| |
#3: Students forget to express the ratio in the simplest form. |
Q: Express 126 to 153 as a ratio
|
Q: Express 126 to 153 as a ratio
|
