Perimeter
Area
Prime or Composite
Word Problems
Miscellaneous
100

Draw a rectangle. Label the length 8 feet and the width 3 feet. What is the perimeter of the rectangle? 

Perimeter = Plus all of the sides.

8 + 3 + 8 + 3 = 11 + 11 = 22 feet

100

Draw a rectangle. Label the top 7 and one of the sides 6. 

 What is the area? 

L x W (length times width) = Area

7 x 6 = 42 square units

100

Write the factors for 16.

Is 16 prime or composite?

1, 2, 4, 8, 16

Composite

100

Jermey was taking pictures for the football team. He had to write the following jersey numbers by each player's name. These are the numbers he wrote down. 

4;   9;    17;     18;     25

Which is the only prime number that he wrote down? 

17 (two factors only)

100

Which of the following numbers is a multiple of 10? 

84    or    590      or      612      or      1,811

590

200

Look at the hexagon. If each side length is 5 cm, what is the perimeter of the hexagon?

6 sides times 5 cm for each side is 30 cm total. 

200

What is the area for the following?

200

What is the only even, prime number? 

Two

200

The area of a rectangle is 24 and the perimeter is 28. What is the length and width of the of the rectangle? 

The area could be (1,24) (2,12) (3,8) (4,6)

Incorrect answers:

1 + 24 + 1 + 24 = 50

3 + 8 + 3 + 8 = 22

4 + 6 + 4 + 6 = 20

Correct answer: 2 + 12 + 2 + 12 = 28 for perimeter


200

A narrow rectangular banner is 5 yards wide. It is 4 times as long as it is wide. What is the area and perimeter of the rectangular banner? 

5 yards wide. 

4 x 5 = 20 yards long.

5 x 20 = 100 square yards for area

5 + 20 + 5 + 20 = 50 yards for perimeter

300

Draw a rectangle. The area of the rectangle is 24 square feet. The length is 8 feet long. What is the width? 

Area = length times width

8 feet x ____ = 24 square feet

The width is 3 feet.

300

Find area for the following.

10 x 7 = 70

2 x 3 (nonshaded) = 6

70 - 6 = 64 square meters

300

Is 3 a factor for 54? 

How do you know? 

yes, because:

54/3 = 18 (no remainder) or

3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54  or 

Add the digits to see: 5 + 4 = 9 (yes, multiple of 3)

300

Amber wants to put a sandbox in her backyard. The total area of the sandbox will be 30 square feet. Write four possible length and width combinations that Amber could use for the length and width of her new sandbox. 

width        length

  1     by     30

  2     by      15

  3     by      10

   5    by       6

300

Which of the following numbers have 2 as a factor? 

11   or  24    or   39    or    40   or    96   or  103

24;  40;  96

400

Draw a rectangle. Label the top side 40 inches. The total perimeter is 120 inches.  What would the length of the right side of the rectangle be? 

The length (top and bottom) are each 40.

40 + 40 is 80 for top and bottom. 

Total perimeter is 120. 120 - 80 = 40 inches left. 

Divide the 40 inches by the two widths and you will have the correct length of 20 inches.

400

12 x 10 = 120 square feet 

Minus 10 x 2 and 10 x 2 (40)

120 - 40 = 80 square feet (purple only)

400

List all 10 factors for 48. 

1, 2, 3, 4, 6, 8, 12, 16, 24, 48

400

According to the divisibility rules poem, which of the following has 6 as a factor? 

If it's even, it's true, It's divisible by TWO. 

Add the digits to see, If it's divisible by THREE.

If you got two and three, You get SIX for free!

183    or     266      or     286      or     582

183 is not even. All others are even. Now add digits.

2 + 6 + 6 = 14 (not a multiple of 3)

2 + 8 + 6 = 16 (not a multiple of 3)

5 + 8 + 2 = 15 (multiple of 3) Correct answer.

400

Which of the following numbers are prime? 

2;     5;   13;    17;     20;    21;     24;      50;      

2;  5;  13;  17

500

Draw a rectangle and label the top side 4 feet. The area of this rectangle is 20 square feet. What is the perimeter? 

First find the length. 4 x A = 20 square feet. A = 5 width. 

4 + 5 + 4 + 5 = 18 feet

500

Draw a rectangle. Label the top 2 feet.

The length is three times as long as the width. 

What is the area for the rectangle? 

2 feet wide

3 x 2 = 6 feet long

Area: 2 x 6 = 12 square feet

500

Write 5 numbers that have 5 as a factor.

Any number with a 5 or 0 in the ones place.

500

Alexander built a sandbox with a length of 10 feet and a width of 4 feet. Charleston built a sandbox that has the same length but is three times as wide as Alexander's sandbox. What is the area and perimeter for Charleston's sandbox? 

Charleston's

Length is 10 feet; Width is 3 x 4 = 12 feet

10 x 12 = 120 square feet for area

10 + 10 + 12 + 12 = 44 feet perimeter

500

List the factors for 31. 

Is 31 prime or composite? 

Factors 1,31

prime

600

Draw a rectangle. The area of this rectangle is 12 square feet and the perimeter is 16 feet. What is the length and width for this rectangle? 

Factors of 12 are

1, 12; 2, 6; 3, 4;

6 x 2 + 2 x 2 = 

12 + 4 = 16

600

Draw a rectangle. Label the bottom side 4 inches. One of the sides of the rectangle is four times as long as the bottom side. What is the area of the rectangle? 

4 inches by 4 x 4 = 16 length.

16 x 4 = 40 + 24 = 64 inches square.

600

Which of the following numbers are prime? 

7;    12;     15;     17;     20;      19;      400

7;   17;    19

600

Alivia made a bulletin board that was three feet wide by five feet long.  Lacy made another bulletin board that was three times as wide and twice as long as Alivia's. What was the area of Lacy's board? 

Alivia                 Lacy

3 feet wide    x 3 = 9 feet wide

5 feet long     x 2 = 10 feet long

Area 9 x 10 - 90

600

Double Jeopardy Question. Find area for the following shape.

32 x 54 = 1,728 ft

54-18=36

36x16=576

1,728 - 576 = 1,152 square feet

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