How to divide

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ISEE Lower Level Quantitative Reasoning › How to divide

Questions 1 - 10

1

When a number is divided by , and the remainder is , which could be the number?

Explanation

In order to solve this problem, we need to divide our answer choices by , and then see which has a remainder of .

$52\div5=10\text{R}2$

$15\div5=3$

$25\div5=5$

$39\div5=7\text{R}4$

Therefore, is the correct answer for this problem.

2

When a number is divided by , and the remainder is , which could be the number?

Explanation

In order to solve this problem, we need to divide our answer choices by , and then see which has a remainder of .

$52\div12=4\text{R}4$

$144\div12=12$

$36\div12=3$

$71\div12=5\text{R}11$

Therefore, is the correct answer for this problem.

3

If it takes Jeff an hour and a half to make a round trip from his house to the airport, then how long should it take him to drive one-way from the airport to his house, in minutes?

Explanation

If it takes Jeff an hour and a half to make a round trip from his house to the airport, then it should take him half the time to drive one-way from the airport to his house.

An hour and a half is equal to 90 minutes. $90\div2=45$ .

Therefore, 45 is the correct answer.

4

Find the quotient.

$\frac{3(3+4)^{2}}{15-8}=$

21

10

147

18

Explanation

When solving a problem with multiple operations, always remember: PEMDAS!

To find the quotient, first do the "P" .

Then the "E" $(7)^{2} =49$

Then the "M"

Now "D" $\frac{147}{7}=21$

The quotient is 21.

5

What is the value of x?

$(-18)\div(-2)=x$

Explanation

When a negative number is divided by another negative number, the result will be positive.

Given that $18\div2=9$ , it follows that $(-18)\div(-2)=9$ .

Therefore, 9 is the correct answer.

6

When a number is divided by , and the remainder is , which could be the number?

Explanation

In order to solve this problem, we need to divide our answer choices by , and then see which has a remainder of .

$1\div5=\frac{1}{5}$

$0\div5=0$

$6\div5=1\text{R}1$

$5\div5=1\text{R}0$

Therefore, is the correct answer for this problem.

7

When a number is divided by , and the remainder is , which could be the number?

Explanation

In order to solve this problem, we need to divide our answer choices by , and then see which has a remainder of .

$30\div7=4\text{R}2$

$20\div7=2\text{R}6$

$40\div7=5\text{R}5$

$50\div7=7\text{R}1$

Therefore, is the correct answer for this problem.

8

When a number is divided by , and the remainder is , which could be the number?

Explanation

In order to solve this problem, we need to divide our answer choices by , and then see which has a remainder of .

$27\div10=2\text{R}7$

$32\div10=3\text{R}2$

$94\div10=9\text{R}4$

$86\div10=8\text{R}6$

Therefore, is the correct answer for this problem.

9

$2{\overline{\smash{)}8}}$

Explanation

$2{\overline{\smash{)}8}}$

To solve this division problem, we can think of it as a missing factor problem.

Think: What times equals

$2\times4=8$

10

$2{\overline{\smash{)}20}}$

Explanation

$2{\overline{\smash{)}20}}$

To solve this division problem, we can think of it as a missing factor problem.

Think: What times equals

$2\times10=20$

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