Exploring Perimeter & Multiplication

Exploring Perimeter

Understanding the concept of perimeter and its applications in various fields. Exploring different methods to calculate perimeter and its significance in geometry and real-world scenarios.

Exploring Perimeter

Perimeter is the total distance around the outside of a shape. It is calculated by adding up all the lengths of the sides. To find the missing length, subtract the given lengths from the total perimeter. Use rulers to measure sides accurately. Round measurements to the nearest unit. Choose the closest measurement to determine the perimeter.

Multiple Choice

What is perimeter?

• The total distance around the outside of a shape

• The area enclosed by a shape

• The length of the longest side of a shape

• The distance between two opposite corners of a shape

Perimeter: Total Distance

Trivia: Perimeter is the total distance around the outside of a shape. It is not the same as the area, which is the space enclosed by a shape. Remember, perimeter measures the length of the boundary, while area measures the space inside the boundary.

Perimeter of a Square

To find the perimeter of a square, multiply the length of one side by 4. In this case, the length of one side is 7 miles. Therefore, the perimeter of the ranch is 7 x 4 = 28 miles. Since Mr. Trevino bought 30 miles of fence, he has enough to go completely around his ranch. The correct answer is D.

Multiple Choice

What is the perimeter of the ranch?

• 24 miles

• 28 miles

• 32 miles

• 36 miles

Perimeter of the Ranch:

Trivia: The perimeter of the ranch is 28 miles. It is equivalent to the distance of running a marathon! Imagine running around the entire ranch to cover the perimeter. That's quite a workout!

Perimeter of Figure

To find the correct perimeter of the figure Avery drew, we need to add up all the side lengths. The options given are 175 cm, 300 cm, 200 cm, and 150 cm. By adding up the side lengths, we find that the correct perimeter is 200 cm (option C).

Multiple Choice

What is the correct perimeter of the figure Avery drew?

• 175 cm

• 300 cm

• 200 cm

• 150 cm

Perimeter of Avery's Figure

Trivia: Avery's figure has a perimeter of 200 cm. The perimeter is the total distance around the figure. It is calculated by adding up the lengths of all the sides. In this case, the lengths of all the sides add up to 200 cm. Can you find the lengths of each side?

Measuring Plywood Perimeter

Use the ruler to measure the dimensions of the plywood sheet to the nearest inch. Add up all four sides to find the perimeter. Choose the option closest to the perimeter measurement: A) 4 in., B) 10 in., C) 6 in., D) 12 in.

Multiple Choice

What is the perimeter of the plywood sheet?

• 4 in.

• 10 in.

• 6 in.

• 12 in.

Perimeter of Plywood:

Trivia: The perimeter of the plywood sheet is 12 inches. Remember, the perimeter is the sum of all sides of a shape. In this case, the plywood sheet has four sides, each measuring 3 inches. So, 3 + 3 + 3 + 3 = 12 inches.

Multiple Choice

A rectangular swimming pool has a length of 20m and a width of 7m. What is the perimeter of the pool?

• 54m

• 140m

• 27m

Multiple Choice

• 4 x 3 = 12
• 3 x 3 = 12
• 3 x 4 = 12
• 3 + 3 = 12

Multiple Choice

What is the perimeter of the trapezoid?

• 60cm

• 23in

• 20cm

Multiple Choice

2 x 9

• 15
• 18

Multiple Choice

The length of a rectangle is 10cm and the width is 5cm. What is the perimeter of the rectangle?

• 50cm

• 30cm

• 15cm

Multiple Choice

• 3 x 2 = 6 
• 2 x 3 = 6 
• 3 x 3 = 9 
• 3 x 3 = 6

Multiple Choice

What is the perimeter of the rectangle?

• 42in.

• 90in.

• 21in.

Multiple Choice

• 3 x 4 = 12
• 4 x 2 = 12
• 4 x 3 = 12
• 3 x 3 = 12

Multiple Choice

One side of a square measures 15cm. What is the perimeter of the square?

• 30cm.

• 60cm.

• 225cm.

Multiple Choice

7 x 6

• 49
• 42

Multiple Choice

Calculate the perimeter of the trapezoid!

• 37ft.

• 24ft.

• 34ft.

Multiple Choice

• 1 x 4 = 4
• 4 x 1 = 4
• 1 x 1 = 1
• 0 x 4 = 4

Multiple Choice

The sides of an equilateral triangle measure 12cm. What is the perimeter of the triangle?

• 144cm.

• 36cm.

• 12cm.

Multiple Choice

  Which equation is correct for this area model?

• 4 x 6 = ?
• 7 x 5 = ?
• 6 x 3 = ?
• 4 x 7 = ?

Multiple Choice

What is the perimeter of the parallelogram?

• 74yd.

• 35yd.

• 24yd.

Multiple Choice

5 x 6

• 15
• 30

Multiple Choice

A rectangular picture frame has a length of 18in and a width of 4in. What is the perimeter of the frame?

• 44in.

• 22in.

• 72in.

Multiple Choice

This model could represent which number sentence?

• 3 x 5 = 15
• 3 + 6 = 9
• 3 x 6 = 18

Multiple Choice

Calculate the perimeter of the rhombus!

• 81mm.

• 36mm.

• 18mm.

Multiple Choice

Complete the fact family.
2 x 6 = 12
6 x 2 = 12
12 ÷ 2 = 6
12 ÷ 6 = ___

• 12
• 2
• 6
• 3

Multiple Choice

4 x 6

• 32
• 24

Multiple Choice

This array represents 4 x 5.  Which number sentence using repeated addition matches this array?

• 4+4+4+4=16
• 5+5+5+5+5=25
• 4+4+4+4+4=20
• 5+5+5+5=20

Multiple Choice

Use the commutative property of multiplication to solve the equation.
5 x 2 = 10, so ____ x 5 = 10

• 10
• 5
• 2
• 7

Multiple Choice

Complete the fact family
2x___=14
__x2=14
14÷2=7
14÷7=2

• 7     7
• 1      5
• 2       7
• 7        2

Multiple Choice

7 x 9

• 63
• 54

Multiple Choice

Complete the fact family.
8 x 4 = 32
4 x ___ = 32
32 ÷ 8 = 4
32 ÷ 4 = 8

• 4
• 32
• 2
• 8

Multiple Choice

7 x 11

• 70
• 77

Multiple Choice

Which property is this an example of?
6 x 7 = 7 x 6

• Associative Property of Multiplication
• Commutative Property of Multiplication
• Inverse Property of Multiplication
• Distributive Property

Multiple Choice

24 x 3

• 72
• 612
• 8
• 57

Multiple Choice

Zion has planted a garden with 7 rows of carrots.  If he puts 8 carrots plants in each ow, how many carrots might he have?

• 58
• 56
• 63
• none of these