Decimals and measures: Calculating the area of parallelograms and triangles

In this lesson, we will use and investigate formulae to calculate the area of a triangle and parallelogram.

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Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.0.56 x 10

1/6

Q2.1.405 x 100

2/6

Q3.4.56 ÷ 100

3/6

Q4.654.8 ÷ 10

4/6

Q5.What is the area of the shape below?

5/6

Q6.What is the perimeter of the shape below?

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.0.56 x 10

1/6

Q2.1.405 x 100

2/6

Q3.4.56 ÷ 100

3/6

Q4.654.8 ÷ 10

4/6

Q5.What is the area of the shape below?

5/6

Q6.What is the perimeter of the shape below?

6/6

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Calculate the area of parallelograms and triangles

Calculate the area of parallelograms and triangles

Q1.Calculate the area of the parallelogram.

1/3

Q2.Calculate the area of the triangle.

2/3

Q3.A shape is made up of 12 congruent equilateral triangles, with base 3.4 cm and height 2.9 cm. What is the total area of the shape?

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Calculate the area of parallelograms and triangles

Calculate the area of parallelograms and triangles

Q1.Calculate the area of the parallelogram.

1/3

Q2.Calculate the area of the triangle.

2/3

Q3.A shape is made up of 12 congruent equilateral triangles, with base 3.4 cm and height 2.9 cm. What is the total area of the shape?

3/3

Lesson summary: Decimals and measures: Calculating the area of parallelograms and triangles

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