Please enable JavaScript.
Coggle requires JavaScript to display documents.
Ratios, Proportions, Unit rates, percents - Coggle Diagram
Ratios, Proportions, Unit rates, percents
uinit rates
-
ecample
for example, 12 people share 2 pies equally. One unit rate is 6 people per pie, because 12 divided by 2 = 6. The other unit rate is 1/6 of a pie, because 2 divieded by 12 = 1/6
-
rate
meaning
Ratios are a comparison of two values, ideas, or quantities. They can be written in a couple of different ways.
example
-
-
-
-
Like fractions these can be reduced just as the same by using division. They can also be manipulated to create and look at different comparisons, the same finding equivalent fractions.
-
How much do 6 shirts cost? R300(2)3 Shirts(2)=R6006 shirts or R30033 Shirts3=R100(6)1 shirt(6)=R6006/ shirts
small to big
how do we do it?
because we are going from small to larger units, we have to divide to make bigger pieces (taking smaller pieces and combining them to get bigger pieces).
-
-
-
-
-
method 2
2)divide by where you are going by where you started
1)
Checking your work
different strategies
-
-
-
-
Since equivalent ratios are equal, the decimals have to be the same