ISEE Lower Level Quantitative : Operations with fractions and whole numbers

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

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Example Questions

Example Question #24 : Interpret The Product (A/B) × Q As A Part Of A Partition Of Q Into B Equal Parts: Ccss.Math.Content.5.Nf.B.4a

Lauren made \(\displaystyle 5\) gallons of punch. \(\displaystyle \frac{1}{9}\) of the punch was water. How much water did she use to make the punch? 

 

Possible Answers:

\(\displaystyle \frac{7}{9}\)

\(\displaystyle \frac{5}{9}\)

\(\displaystyle 7\)

\(\displaystyle 6\)

\(\displaystyle \frac{6}{9}\)

Correct answer:

\(\displaystyle \frac{5}{9}\)

Explanation:

A keyword in our question that gives us a clue that we are going to multiply to solve this problem is the word "of". \(\displaystyle \frac{1}{9}\) of the punch is water. 

We know that we have \(\displaystyle 5\) gallons of punch so we can set up our multiplication problem.

\(\displaystyle \frac{1}{9}\times5\) 

5 9 

 \(\displaystyle \frac{1}{9}\times5\) which means \(\displaystyle \frac{1}{9}\) of each group of \(\displaystyle 5=\frac{5}{9}\)

Example Question #25 : Interpret The Product (A/B) × Q As A Part Of A Partition Of Q Into B Equal Parts: Ccss.Math.Content.5.Nf.B.4a

Tracy made \(\displaystyle 6\) gallons of punch. \(\displaystyle \frac{1}{9}\) of the punch was water. How much water did she use to make the punch? 

 

Possible Answers:

\(\displaystyle 7\)

\(\displaystyle 8\)

\(\displaystyle \frac{8}{9}\)

\(\displaystyle \frac{6}{9}\)

\(\displaystyle \frac{7}{9}\)

Correct answer:

\(\displaystyle \frac{6}{9}\)

Explanation:

A keyword in our question that gives us a clue that we are going to multiply to solve this problem is the word "of". \(\displaystyle \frac{1}{9}\) of the punch is water. 

We know that we have \(\displaystyle 6\) gallons of punch so we can set up our multiplication problem.

\(\displaystyle \frac{1}{9}\times6\) 

 6 9

 \(\displaystyle \frac{1}{9}\times6\) which means \(\displaystyle \frac{1}{9}\) of each group of \(\displaystyle 6=\frac{6}{9}\)

Example Question #26 : Interpret The Product (A/B) × Q As A Part Of A Partition Of Q Into B Equal Parts: Ccss.Math.Content.5.Nf.B.4a

Kate made \(\displaystyle 7\) gallons of punch. \(\displaystyle \frac{1}{9}\) of the punch was water. How much water did she use to make the punch? 

 

Possible Answers:

\(\displaystyle \frac{5}{9}\)

\(\displaystyle \frac{7}{9}\)

\(\displaystyle \frac{8}{9}\)

\(\displaystyle 8\)

\(\displaystyle 9\)

Correct answer:

\(\displaystyle \frac{7}{9}\)

Explanation:

A keyword in our question that gives us a clue that we are going to multiply to solve this problem is the word "of". \(\displaystyle \frac{1}{9}\) of the punch is water. 

We know that we have \(\displaystyle 7\) gallons of punch so we can set up our multiplication problem.

\(\displaystyle \frac{1}{9}\times7\) 

7 9 

 \(\displaystyle \frac{1}{9}\times7\) which means \(\displaystyle \frac{1}{9}\) of each group of \(\displaystyle 7=\frac{7}{9}\)

Example Question #27 : Interpret The Product (A/B) × Q As A Part Of A Partition Of Q Into B Equal Parts: Ccss.Math.Content.5.Nf.B.4a

Leslie made \(\displaystyle 8\) gallons of punch. \(\displaystyle \frac{1}{9}\) of the punch was water. How much water did she use to make the punch? 

 

Possible Answers:

\(\displaystyle \frac{1}{9}\)

\(\displaystyle \frac{8}{9}\)

\(\displaystyle 8\)

\(\displaystyle \frac{9}{9}\)

\(\displaystyle 9\)

Correct answer:

\(\displaystyle \frac{8}{9}\)

Explanation:

A keyword in our question that gives us a clue that we are going to multiply to solve this problem is the word "of". \(\displaystyle \frac{1}{9}\) of the punch is water. 

We know that we have \(\displaystyle 8\) gallons of punch so we can set up our multiplication problem.

\(\displaystyle \frac{1}{9}\times8\) 

 8 9

 \(\displaystyle \frac{1}{9}\times8\) which means \(\displaystyle \frac{1}{9}\) of each group of \(\displaystyle 8=\frac{8}{9}\)

Example Question #28 : Interpret The Product (A/B) × Q As A Part Of A Partition Of Q Into B Equal Parts: Ccss.Math.Content.5.Nf.B.4a

Cali made \(\displaystyle 2\) gallons of punch. \(\displaystyle \frac{1}{10}\) of the punch was water. How much water did she use to make the punch? 

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle \frac{5}{10}\)

\(\displaystyle \frac{3}{10}\)

\(\displaystyle 3\)

\(\displaystyle \frac{2}{10}\)

Correct answer:

\(\displaystyle \frac{2}{10}\)

Explanation:

A keyword in our question that gives us a clue that we are going to multiply to solve this problem is the word "of". \(\displaystyle \frac{1}{10}\) of the punch is water. 

We know that we have \(\displaystyle 2\) gallons of punch so we can set up our multiplication problem.

\(\displaystyle \frac{1}{10}\times2\) 

2 10 

 \(\displaystyle \frac{1}{10}\times2\) which means \(\displaystyle \frac{1}{10}\) of each group of \(\displaystyle 2=\frac{2}{10}\)

Example Question #29 : Interpret The Product (A/B) × Q As A Part Of A Partition Of Q Into B Equal Parts: Ccss.Math.Content.5.Nf.B.4a

Juliet made \(\displaystyle 3\) gallons of punch. \(\displaystyle \frac{1}{10}\) of the punch was water. How much water did she use to make the punch? 

 

Possible Answers:

\(\displaystyle \frac{4}{10}\)

\(\displaystyle \frac{3}{10}\)

\(\displaystyle 1\)

\(\displaystyle 4\)

\(\displaystyle \frac{1}{10}\)

Correct answer:

\(\displaystyle \frac{3}{10}\)

Explanation:

A keyword in our question that gives us a clue that we are going to multiply to solve this problem is the word "of". \(\displaystyle \frac{1}{10}\) of the punch is water. 

We know that we have \(\displaystyle 3\) gallons of punch so we can set up our multiplication problem.

\(\displaystyle \frac{1}{10}\times3\) 

3 10 

 \(\displaystyle \frac{1}{10}\times3\) which means \(\displaystyle \frac{1}{10}\) of each group of \(\displaystyle 3=\frac{3}{10}\)

Example Question #61 : Operations With Fractions And Whole Numbers

Kara made \(\displaystyle 4\) gallons of punch. \(\displaystyle \frac{1}{10}\) of the punch was water. How much water did she use to make the punch? 

 

Possible Answers:

\(\displaystyle \frac{3}{10}\)

\(\displaystyle \frac{5}{10}\)

\(\displaystyle 3\)

\(\displaystyle 4\)

\(\displaystyle \frac{4}{10}\)

Correct answer:

\(\displaystyle \frac{4}{10}\)

Explanation:

A keyword in our question that gives us a clue that we are going to multiply to solve this problem is the word "of". \(\displaystyle \frac{1}{10}\) of the punch is water. 

We know that we have \(\displaystyle 4\) gallons of punch so we can set up our multiplication problem.

\(\displaystyle \frac{1}{10}\times4\) 

 4 10

 \(\displaystyle \frac{1}{10}\times4\) which means \(\displaystyle \frac{1}{10}\) of each group of \(\displaystyle 4=\frac{4}{10}\)

Example Question #62 : Operations With Fractions And Whole Numbers

Jessica made \(\displaystyle 5\) gallons of punch. \(\displaystyle \frac{1}{10}\) of the punch was water. How much water did she use to make the punch? 

 

 

Possible Answers:

\(\displaystyle \frac{3}{10}\)

\(\displaystyle \frac{5}{10}\)

\(\displaystyle 2\)

\(\displaystyle 5\)

\(\displaystyle \frac{6}{10}\)

Correct answer:

\(\displaystyle \frac{5}{10}\)

Explanation:

A keyword in our question that gives us a clue that we are going to multiply to solve this problem is the word "of". \(\displaystyle \frac{1}{10}\) of the punch is water. 

We know that we have \(\displaystyle 5\) gallons of punch so we can set up our multiplication problem.

\(\displaystyle \frac{1}{10}\times5\) 

5 10 

 \(\displaystyle \frac{1}{10}\times5\) which means \(\displaystyle \frac{1}{10}\) of each group of \(\displaystyle 5=\frac{5}{10}\)

Example Question #63 : Operations With Fractions And Whole Numbers

Kathy made \(\displaystyle 6\) gallons of punch. \(\displaystyle \frac{1}{10}\) of the punch was water. How much water did she use to make the punch? 

 

Possible Answers:

\(\displaystyle 7\)

\(\displaystyle 5\)

\(\displaystyle \frac{7}{10}\)

\(\displaystyle \frac{6}{10}\)

\(\displaystyle \frac{5}{10}\)

Correct answer:

\(\displaystyle \frac{6}{10}\)

Explanation:

A keyword in our question that gives us a clue that we are going to multiply to solve this problem is the word "of". \(\displaystyle \frac{1}{10}\) of the punch is water. 

We know that we have \(\displaystyle 6\) gallons of punch so we can set up our multiplication problem.

\(\displaystyle \frac{1}{10}\times6\) 

6 10 

 \(\displaystyle \frac{1}{10}\times6\) which means \(\displaystyle \frac{1}{10}\) of each group of \(\displaystyle 6=\frac{6}{10}\)

Example Question #64 : Operations With Fractions And Whole Numbers

Jessica made \(\displaystyle 7\) gallons of punch. \(\displaystyle \frac{1}{10}\) of the punch was water. How much water did she use to make the punch? 

 

Possible Answers:

\(\displaystyle \frac{8}{10}\)

\(\displaystyle 8\)

\(\displaystyle 7\)

\(\displaystyle \frac{7}{10}\)

\(\displaystyle \frac{6}{10}\)

Correct answer:

\(\displaystyle \frac{7}{10}\)

Explanation:

A keyword in our question that gives us a clue that we are going to multiply to solve this problem is the word "of". \(\displaystyle \frac{1}{10}\) of the punch is water. 

We know that we have \(\displaystyle 7\) gallons of punch so we can set up our multiplication problem.

\(\displaystyle \frac{1}{10}\times7\) 

 7 10

 \(\displaystyle \frac{1}{10}\times7\) which means \(\displaystyle \frac{1}{10}\) of each group of \(\displaystyle 7=\frac{7}{10}\)

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