Finding Area Using Arrays

Finding Area Using Arrays

Assessment

Interactive Video

Mathematics, Science

4th Grade - University

Hard

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Quizizz Content

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The video tutorial explains the concept of area, using real-life examples like tiling, gardening, and wallpapering. It introduces unit squares and arrays as methods to calculate area, and demonstrates how multiplication can simplify the process. The tutorial emphasizes the importance of understanding dimensions and practicing multiplication facts to efficiently determine area.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to measure the area of a space?

To calculate the volume of the space

To find out the height of the space

To know how much material is needed to cover it

To determine the color of the space

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using unit squares in calculating area?

To determine the color of the shape

To find the volume of a shape

To cover the shape and count the squares for area

To measure the perimeter of a shape

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can arrays help in calculating the area of a rectangle?

By measuring the height of the rectangle

By arranging objects in a circle

By changing the color of the rectangle

By organizing unit squares in rows and columns

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a more efficient method than adding rows to find the area?

Division

Addition

Subtraction

Multiplication

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can Walter find the area of his wall using multiplication?

By subtracting the height from the length

By adding the length and height

By multiplying the length by the height

By dividing the length by the height

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the dimensions of Mallory's garden in the example?

6 yards long and 5 yards wide

5 yards long and 6 yards wide

6 feet long and 5 feet wide

5 feet long and 6 feet wide

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is multiplication preferred over repeated addition for finding area?

It is more accurate

It is faster and more efficient

It uses fewer numbers

It is easier to understand