ISEE Lower Level Math : ISEE Lower Level (grades 5-6) Mathematics Achievement

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

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Example Questions

Example Question #1041 : Isee Lower Level (Grades 5 6) Mathematics Achievement

If the width of a rectangle is 2 inches and the length is 6 inches, what is the perimeter in inches?

Possible Answers:

Correct answer:

Explanation:

The perimeter of a rectangle can be found by adding together all the sides. The formula is:

Use the given values for the length and the width to solve.

16 inches is the correct answer. 

Example Question #83 : Plane Geometry

A rectangle has a width of 5 inches and an area of 35 inches. What is the length, in inches?

Possible Answers:

Correct answer:

Explanation:

The area of a rectangle is equal to the length times the width. 

Here, we know that the area is 35, and the width is 5. We can fill in part of the equation with these values.

The only number that equals 35 when multiplied by 5 is 7.

7 is the correct answer. 

Example Question #1042 : Isee Lower Level (Grades 5 6) Mathematics Achievement

If the width of a rectangle is 3 inches and the length is 5 inches, what is the perimeter?

Possible Answers:

Correct answer:

Explanation:

The perimeter of a rectangle can be found by adding together all the sides. This would give us:

Therefore, 16 inches is the correct answer. 

Example Question #1041 : Isee Lower Level (Grades 5 6) Mathematics Achievement

Marcell wants to put a new fence around the perimeter of his garden. Marcell's rectangular garden is 30 feet long and 15 feet wide. How many feet of fence does Marcell need?

Possible Answers:

\dpi{100} 50\ feet

\dpi{100} 60\ feet

\dpi{100} 90\ feet

\dpi{100} 45\ feet

Correct answer:

\dpi{100} 90\ feet

Explanation:

\dpi{100} (30+30)+(15+15)

Example Question #1042 : Isee Lower Level (Grades 5 6) Mathematics Achievement

The length of a rectangle is , and the width of the rectangle is . What is the perimeter if  and ?

Possible Answers:

Correct answer:

Explanation:

If the length of a rectangle is  and the width is , the perimeter is:

Now plug in  and :

Example Question #15 : How To Find The Perimeter Of A Rectangle

If the perimeter of a rectangle is  inches and its length is twice the value of its width, what is the value of the width of the rectangle in inches?

Possible Answers:

 inches

 inches

 inches

 inches

Correct answer:

 inches

Explanation:

If the length of the rectangle is twice the value of its width, then if the width is equal to w, then the length is equal to 2w. 

Given that the perimeter of a rectangle is equal to the value of all the sides added together, the following equation would apply:

This means that the rectangle is  inches wide.

Example Question #18 : How To Find The Perimeter Of A Rectangle

The area of a rectangle is . One of its sides is . What is its perimeter?

Possible Answers:

Correct answer:

Explanation:

Remember that the area of a rectangle is equal to its base times its height. If its area is  and one side has a length of , we can find the other side by dividing these:

So, our rectangle looks like this:

Untitled_7

The perimeter is easily calculated:

Example Question #1043 : Isee Lower Level (Grades 5 6) Mathematics Achievement

What is the perimeter of the following rectangle?

Untitled_8

 

Possible Answers:

199.3

631.1

Correct answer:

Explanation:

The perimeter of a rectangle is very easy to solve.  Merely add up all the sides:

Example Question #1043 : Isee Lower Level (Grades 5 6) Mathematics Achievement

One of a rectangle's sides has a length of . Another of its sides is half that length. What is its perimeter?

Possible Answers:

Correct answer:

Explanation:

If one side of the rectangle is  and the other half of that, then the other side must be:

Our rectangle therefore looks like this:

Untitled_9

The perimeter is calculated very easily.  Just sum up all the sides!

Example Question #21 : How To Find The Perimeter Of A Rectangle

Lowerrectperim2

What is the perimeter of the above rectangle? 

Possible Answers:

 ft

 ft

 ft

 ft

 ft

Correct answer:

 ft

Explanation:

The perimeter of a rectangle is the length of all the sides added together. This rectangle has two short sides that are each  feet long and two long sides that are each  feet long. , so the correct answer is .

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