Writing Proportions for Percentages
Presentation
•
Mathematics
•
6th - 8th Grade
•
Hard
Standards-aligned
Jacob Siedell
Used 4+ times
FREE Resource
7 Slides • 2 Questions
1
We are using "line, equal sign, line" again today!
Only today there are a few changes...
2
When using a proportion to find percent, we always put 100 on the bottom right of our proportion.
100
whole
part
%
To solve these proportions, we first cross multiply, then we divide.
3
What is 20% of 72?
Lets try one out together!
To solve these proportions, we first cross multiply, then we divide.
4
3 is what percent of 20?
Lets try one out together!
To solve these proportions, we first cross multiply, then we divide.
5
26% of 38 is what?
Now you try one!
To solve these proportions, we first cross multiply, then we divide.
remember there is always a 100 here when finding percentages!
6
14 is what percent of 83?
Now you try one!
To solve these proportions, we first cross multiply, then we divide.
remember there is always a 100 here when finding percentages!
7
Math Response
72 out of 450 is what percentage?
8
Math Response
34% of what number is 51
9
We are using "line, equal sign, line" again today!
Only today there are a few changes...
Show answer
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