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ISEE Lower Level Quantitative : Operations

Study concepts, example questions & explanations for ISEE Lower Level Quantitative

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All ISEE Lower Level Quantitative Resources

20 Diagnostic Tests 114 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #1 : How To Multiply

Define $\overbrace{n} = n^{2} - 7$ .

Evaluate $\overbrace{57}$ .

Possible Answers:

3,256

3,242

The expression is undefined.

Correct answer:

3,242

Explanation:

$\overbrace{57} = 57^{2} - 7 = 3,249 - 7 = 3,242$

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Example Question #111 : Numbers And Operations

Mary wins a bag of 80 marbles. She already has 30 marbles, and her sister Millie has 54 marbles. Mary wants to give Millie enough marbles so that they will have the same number. What fraction of Mary's prize will she give Millie?

Possible Answers:

$\frac{2}{5}$

$\frac{9}{40}$

$\frac{1}{4}$

$\frac{7}{20}$

$\frac{11}{40}$

Correct answer:

$\frac{7}{20}$

Explanation:

After Mary wins 80 marbles, the girls have a total of 80 + 30 + 54 = 164 marbles; Millie will have half of them, or $164 \div 2 = 82$ . This means that out of the 80 Mary wins, she will give Millie 82 - 54 = 28 .

28 marbles out of 80 can be written as a simplified fraction:

$\frac{28}{80} = \frac{28 \div 4}{80 \div 4} = \frac{7}{20}$

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Example Question #112 : Numbers And Operations

Multiply in modulo 8:

$7 \times 5 \times 3 \times 3$

Possible Answers:

The other answer choices are incorrect.

Correct answer:

Explanation:

The product of two or more numbers in modulo 8 arithmetic is the remainder of the product when it is divided by 8. Since

$7 \times 5 \times 3 \times 3= 315$

and

$315 \div 8 = 39\textrm{ R }3$

then

$7 \times 5 \times 3 \times 3 \equiv 3 \mod 8$ .

The correct response is 3.

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Example Question #113 : Numbers And Operations

How many inches are in 3 and a half feet?

Possible Answers:

Correct answer:

Explanation:

Given that there are 12 inches in a foot, the number of inches in 3 and a half feet will be equal to $12\cdot3.5=42.$ Therefore, 42 is the correct answer.

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Example Question #114 : Numbers And Operations

A market sells bananas by the bunch. If each bunch contains 6 bananas, how many bananas does the market sell if it sells 7 bunches?

Possible Answers:

Correct answer:

Explanation:

If each bunch contains 6 bananas, then the number of bananas in 7 bunches will be equal to $6\cdot7=42$ . Therefore, 42 is the correct answer.

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Example Question #115 : Numbers And Operations

At a restaurant, there are 5 pancakes in the pancake house special and 3 pancakes in the short stack. A family eats at the restaurant and order 2 house specials and 2 short stacks. How many pancakes does the family get?

Possible Answers:

Correct answer:

Explanation:

Given that there are 5 pancakes in the pancake house special and 3 pancakes in the short stack, the number of pancakes in 2 house specials and 2 short stacks is represented by the following expression:

$5\cdot2+3\cdot2$

10+6

Therefore, the correct answer is 16.

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Example Question #116 : Numbers And Operations

A florist sells bunches of flowers. Each bunch contains 4 roses and 3 tulips. How many flowers does she sell if she sells 5 bunches?

Possible Answers:

Correct answer:

Explanation:

If a florist sells bunches of flowers and each bunch contains 4 roses and 3 tulips, then the number of flowers in 5 bunches would be represented by the expression below:

5(3+4)

$5\cdot7$

Therefore, 35 is the correct answer.

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Example Question #117 : Numbers And Operations

What is the product of -6 and -11?

Possible Answers:

Correct answer:

Explanation:

The product of two negative numbers is a positive number. Given that 6 times 11 is 66, it follows that $-6\cdot-11=66$ .

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Example Question #118 : Numbers And Operations

Anika order 4 coffee drinks for her friends. Each coffee drink contains 12 ounces. How many total ounces are in her order?

Possible Answers:

Correct answer:

Explanation:

If Anika order 4 coffee drinks for her friends and each coffee drink contains 12 ounces, then the total number of ounces will be equal to 12 times 4.

$12\cdot4=48$ .

Therefore, 48 is the correct answer.

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Example Question #119 : Numbers And Operations

What is $\frac{1}{4}\cdot \frac{1}{2}?$ ?

Possible Answers:

$\frac{1}{5}$

$\frac{1}{6}$

$\frac{1}{3}$

$\frac{1}{8}$

Correct answer:

$\frac{1}{8}$

Explanation:

When two fractions are multiplied by each other, the numerators are multiplied by one another, and then the denominators are multiplied by one another. Given that 1 times 1 is 1, and that 4 times 2 is 8, the product of $\frac{1}{2}$ and $\frac{1}{4}$ is $\frac{1}{8}$ .

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All ISEE Lower Level Quantitative Resources

20 Diagnostic Tests 114 Practice Tests Question of the Day Flashcards Learn by Concept

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ISEE Lower Level Quantitative : Operations

Study concepts, example questions & explanations for ISEE Lower Level Quantitative

All ISEE Lower Level Quantitative Resources

Example Questions

Example Question #1 : How To Multiply

Example Question #111 : Numbers And Operations

Example Question #112 : Numbers And Operations

Example Question #113 : Numbers And Operations

Example Question #114 : Numbers And Operations

Example Question #115 : Numbers And Operations

Example Question #116 : Numbers And Operations

Example Question #117 : Numbers And Operations

Example Question #118 : Numbers And Operations

Example Question #119 : Numbers And Operations

All ISEE Lower Level Quantitative Resources

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