All ISEE Lower Level Math Resources
Example Questions
Example Question #17 : Money And Time
Larry owes Jon $5.75. If Larry gives Jon a $10 bill and Jon gives him change in quarters, how many quarters does Jon give to Larry?
If Larry gives Jon a $10 bill to pay him back for $5.75, Jon will need to give Larry back .
If Jon gives the change in quarters, he will give him quarters.
Example Question #323 : Numbers And Operations
If Eliza buys a book for dollars and then sells it for dollars, how much profit does she make (in dollars)?
If Eliza buys a book for dollars and then sells it for dollars, her profit will be equal to the selling price, minus the initial cost of the book.
This results in . Therefore, dollars is the correct answer.
Example Question #11 : How To Subtract
What is the solution to the expression below?
The first step to solve for is to convert the fractions into a form in which they share a least common denominator. The least common denominator of and is . Therefore, the expression should be rewritten as:
This results in , the correct answer.
Example Question #12 : How To Subtract
What is the value of the expression below, simplified?
The first step is the reduce the fractions in the expression.
Next, we need to convert each of the fractions to a form in which they both have the same denominator. We can do this by cross-multiplying:
Example Question #14 : How To Subtract
If Greg's older brother, Boris, is five years older than Greg but three years younger than their oldest brother, Jerry, how old is Greg if Jerry is eighteen years old?
Given that Boris is years younger than Jerry, Boris is .
Given that Greg is years younger than Boris, Greg will be years old.
Therefore, is the correct answer.
Example Question #15 : How To Subtract
Lisa is reading a book that is pages long. She has one-sixth of the book to read before she is finished. How many pages has she read so far?
One-sixth of is . Therefore, if Lisa has more pages to read before she is finished with the book, the number of pages that she has read so far is equal to . Therefore, is the correct answer.
Example Question #13 : How To Subtract
Maria has a playlist of eighteen songs. She deletes half of the songs and then adds three new songs. If she listens to the first of the new playlist, how many songs will she have listened to?
If Maria has a playlist of songs and deletes half of them, this leaves remaining songs on the playlist. If she then adds new songs, there will be songs on the play list. If she listens to the first of the new playlist, she will have listened to songs. This is because is equal to and .
Example Question #12 : How To Subtract
Alex and Andrew are brothers who want to get their mother a present that costs $350. Their father gives them $100 to help them pay for it, and their sister gives them another $100 to help them pay for it. If Alex and Andrew pay for the rest of the present in equal parts, how much money (in dollars) must each one of them pay?
If Alex and Andrew want to get their mother a present that costs $350, and their father gives them $100 to help them pay for it, and their sister gives them another $100 to help them pay for it, they will have to pay the remaining $150. If Alex and Andrew pay for the rest of the present, they will each have to pay $75 each, because $150 divided by 2 is $75.
Example Question #13 : How To Subtract
What is the difference between and ?
Finding the difference means subtracting the smaller number from the larger number. First line up the decimal points, then subtract. You'll need to borrow to get the right answer.
Example Question #14 : How To Subtract
Evaluate:
The first step to solving this problem is to find the difference between:
Then find the sum of which equals a total of