Calculating the Area of a Triangle with Fractions

Calculating the Area of a Triangle with Fractions

Assessment

Interactive Video

Mathematics

6th - 8th Grade

Hard

Created by

Olivia Brooks

FREE Resource

The video tutorial explains how to calculate the area of a triangle using the formula: one half times base times height. It demonstrates the process with fractional values for the base and height, simplifying fractions before multiplying. The final area is calculated as seven sixtieths of a meter squared, emphasizing the importance of including units in calculations.

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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for the area of a triangle?

base minus height divided by two

base times height divided by two

base plus height divided by two

base divided by height times two

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Are multiplying by one half and dividing by two equivalent in calculating area?

Only when using fractions

Only when using whole numbers

No, they are not equivalent

Yes, they are equivalent

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we use the formula one half times base times height when dealing with fractions?

It has no specific reason

It is required by mathematical laws

It complicates the calculation

It simplifies the calculation

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the units of the base and height given in the problem?

Meters

Kilometers

Centimeters

Inches

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What simplification is made before multiplying the fractions for area calculation?

No simplification is possible

Eight in the numerator and denominator simplify to one

Two in the numerator and denominator simplify to one

Four in the numerator and denominator simplify to one

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final denominator in the area calculation?

60

45

30

75

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the area of the triangle in the problem?

Seven sixtieth of a square meter

Seven thirtieth of a square meter

Seven forty-fifth of a square meter

Seven seventy-fifth of a square meter

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are the units of area expressed as squared?

Because the base and height are multiplied

Because the units of length are squared in the formula

Because it is a standard mathematical practice

Because area is a two-dimensional measurement