ISEE Middle Level (grades 7-8) Mathematics Achievement
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ISEE Middle Level Quantitative Reasoning › ISEE Middle Level (grades 7-8) Mathematics Achievement
Find the mode of this set of numbers:
Explanation
The mode is the number that appears most frequently in the data set.
Answer:
Solve:
Explanation
First, find the square root:
Then, solve:
Answer:
One Mexican peso is equal to about 7.4 cents. To the nearest whole number, for how many pesos can a tourist to Mexico expect to exchange \$500?
Explanation
One peso is equivalent to 7.4 cents, or \$0.074, so divide \$500 dollars by this conversion factor. \$500 is equivalent to
pesos.
Find the range in this set of numbers:
Explanation
First, order the numbers from least to greatest:
Then, subtract the smallest number from the largest:
Answer: The range is 11.
Give the area of the above rectangle in square feet.
Explanation
Since 1 yard = 3 feet, multiply each dimension by 3 to convert from yards to feet:
Use the area formula, substituting :
square feet
Katie collects trading cards. 15% of her collection are rare cards. If there are a total of 500 cards in Katie's collection, how many of them are rare?
Explanation
To begin, you can set up a proportion:
When trying to find a percent of a number, convert the percent into a decimal. To do this, divide the percent by 100.
You then multiply 500 by 0.15. Since 500 represents 100% of Katie's cards, multiplying by 0.15 will give you how many cards equal 15% of the total.
The result is your answer.
Evaluate .
Explanation
.
Which is the greater quantity?
(a)
(b)
(b) is greater
(a) is greater
(a) and (b) are equal
It is impossible to tell from the information given
Explanation
Divide 3 by 13:
Add:
Explanation
Add the numerators and leave the denominators the same:
Answer:
What is the area of the figure below?
Explanation
To find the area of the figure above, we need to slip the figure into two rectangles.
Using our area formula, , we can solve for the area of both of our rectangles
To find our final answer, we need to add the areas together.