6th Grade Math : 6th Grade Math

Study concepts, example questions & explanations for 6th Grade Math

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Example Questions

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Example Question #1 : Number Sense

If candidate A receives  vote for every  votes that candidate B receives. At the end of the election candidate B has  votes. How many votes did candidate A get?

 

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem we need to create a ratio with the given information. It says that for every  vote cast for candidate A, candidate B got  votes. We can write the following ratio.

Now substitute in the given numbers.

We know that candidate B received  votes. Write a new ratio.

Now, use the original relationship to create a proportion and solve for the number of votes that candidate A received.

Cross multiply and solve for .

Simplify.

Divide both sides of the equation by .

Solve.

Example Question #1 : Operations

What is  written as a multiplication problem? 

Possible Answers:

Correct answer:

Explanation:

When expanding an exponent, we multiply the base by itself for the number indicated by the exponential value.

In this case, our base number is  and our exponential value is . So we multiply  by itself  times. 

Remember, the question asks us for the multiplication problem, not the answer to . Because of this,  is our correct answer.

Example Question #1 : Algebra

Select the expression that is equal to 

Possible Answers:

Correct answer:

Explanation:

To solve this problem we need to use the distributive property. This property is used to multiply a term outside of a set of parentheses by each of the terms in the parentheses. 

Now we have 

This expression is simplified because we cannot add  to  because  has a variable  attached to it. 

Example Question #2 : Algebra

Select the equation or inequality that matches the number sentence below.

 is less than 

Possible Answers:

Correct answer:

Explanation:

Our number sentence has the phrase "less than" which means we have an inequality. 

" is less than " can be written as  because we replace the words "less than " with the less than symbol. 

Example Question #1 : Geometry

What is the area of the right triangle in the following figure?

1

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to recall the formula for area of a right triangle: 

 or 

Now we can substitute in our side lengths from the question:.

 

Example Question #2 : Geometry

What is the volume of the rectangular prism in the following figure?

2

Possible Answers:

Correct answer:

Explanation:

The formula used to find volume of a rectangular prism is as follows:

Substitute our side lengths:

Remember, volume is always written with cubic units because volume is how many cubic units can fit inside of a figure. 

Example Question #1 : Geometry

Hydraulic fracturing is a process used by gas companies to rupture and collects pockets of gas trapped within pockets of shale rock. A particular shale fracking site is  in length and occupies an area of . How wide is this particular site?

Possible Answers:

Correct answer:

Explanation:

In order to solve this question, we need to first recall how to find the area of a rectangle.

Substitute in the given values in the equation and solve for .

Divide both sides by 

Dividing by a fraction is the same as multiplying by its inverse or reciprocal.

Find the reciprocal of 

Simplify and rewrite.

Multiply and solve.

Reduce.

The width of the fracking site is 

Example Question #1 : Measurement

On a particular November day, it is  and sunny in Tucson, Arizona. On the eastern side of the United States, it is  and sleeting in New Castle, Pennsylvania. How many degrees warmer is it in Tucson than New Castle?

Possible Answers:

Correct answer:

Explanation:

There are several ways that we could solve this problem. First, we can say that the temperature in New Castle is  below zero and in Tucson it is  above zero; therefore we can say:

Also, we can solve this problem by using a number line. New Castle’s temperature is  units away from zero and Tucson’s is  units away.  

Temp7

We can see that Tucson is  warmer than New Castle.

Example Question #1 : Data

Mrs. Frame's class counted the number pencils that each student had in his/her desk. The distribution of this data is show in the dot plot provided. What is the most number of pencils that her students found? 

1

Possible Answers:

Correct answer:

Explanation:

The dot plot is on a number line that is numbered from  is the highest number on the number line, but there are no dots above that number, which means no one found  pencils in their desk.  is the next highest number, and there are two dots over the number on the number line; thus, the correct answer is 

Example Question #1 : Data

A flower shop counted the number of flowers sold during a  month period. The distribution of this data is shown in the histogram provided. In which month were the least amount of flowers sold?5

Possible Answers:

June

March

April

May

Correct answer:

March

Explanation:

To answer this question, we can look at our graph and see how far each bar in the histogram raises:

9

We are looking for the shortest bar because we want to know during which month the least amount of flowers were sold. We can see that in March only  flowers were sold, which is the least for the period that was observed. 

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