All ISEE Middle Level Math Resources
Example Questions
Example Question #21 : How To Find A Ratio
A boardgame has 22 pieces. Half of the pieces are blue and the other half are red. John has hidden 4 red pieces and 3 blue pieces. Of the remaining pieces, what is the ratio of red pieces to blue pieces?
If there is a boardgame in which there are 22 pieces, half of which are blue and half of which are red, this means that there are 11 blue pieces and 11 red pieces. If John has hidden 4 red pieces and 3 blue pieces, there are therefore 7 red pieces remaining and 8 blue pieces remaining.
Thus, the ratio of red pieces to blue pieces (of what remains) is .
Example Question #22 : Ratio And Proportion
The ratio of cats to dogs in the pet store is 2:3. If there are 21 dogs, how many more dogs are there than cats?
Set up a proportion and cross multiply to determine the number of cats.
Then find the difference between the number of dogs and cats by using subtraction.
Example Question #910 : Isee Middle Level (Grades 7 8) Mathematics Achievement
If you want to share a pizza with your friend with a ratio of with you getting part and your friend getting parts, how much pizza does your friend get if there are slices of pizza?
If the ratio is , there are total parts.
That means your friend get out of parts or .
If a pizza has slices, that means that your friend's number of slices is of or slices.
Example Question #11 : Ratios & Proportional Relationships
A car travels miles in hours. At what rate does the car travel?
Divide the number of miles by the number of hours to get the number of miles per hour.
Example Question #24 : How To Find A Ratio
Simplify the ratio: 8.5 to 2.5
19 to 5
18 to 5
16 to 5
17 to 5
17 to 5
8.5 to 2.5 can be rewritten and simplified as follows:
The simplified form of the ratio is 17 to 5.
Example Question #912 : Isee Middle Level (Grades 7 8) Mathematics Achievement
Billy has six horses and Susie has fifteen horses. What is the appropriate ratio of Susie's horses to Billy's horses?
Use the colon symbol to represent the ratio. If we have a ratio of A to B, then this can be rewritten as .
Write the ratio of Susie's horses to Billy's horses.
We can reduce this like fractions.
This means that the ratio can also be:
The answer is:
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