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Maths

Monday 22nd February 2021

 

Complete the quick maths starter.

 

  • Please work on Paper and show all your working out.
  • Time yourself to see quickly and accurately you can get an answer.
  • Mark your work by opening up the document below

 

DO NOT SPEND MORE THAN 10 MINUTES ON THIS ACTIVITY

22.02.21  

WALT find the area of parallelograms.

 

Maths lesson part 1

 

What is a parallelogram?

 

A parallelogram is a 4-sided shape (quadrilateral ) formed by two pairs of parallel lines.

Opposite sides are equal in length and opposite angles are equal in measure.

 

This means that we can work out the area of a parallelogram in the same way as a rectangle:

we write the formula like this:

Area = Base x Height 

A = B x H

 

Make sure to use the perpendicular height (at a right-angle to the base) rather than the slant height!

 

 

Look at the parallelogram below, it looks like a wonky rectangle.

 

 

The height must be the perpendicular height( at a right angle), measured across the shape.

 

If we use the the formula, Area = base x height, what is the area of parallelogram?

Click the star to find out the answer.

Were you correct?

Now try finding the area of these parallelograms.

 

REMEMBER Area= base x height!

 

Check your answers as you go by clicking on the stars.

Maths lesson part 2
  • Today I would like everyone to watch the video and follow the instructions and activities. The video will take you through the activities step by step. 

 

  • Pause the video so you can give yourself enough time to work out each question.

 

  • You will need to worksheet with you when you watch the video because you will answer some of the questions as you go.

 

Remember perpendicular is when lines meet at a right angle. 

 

 

  • Complete all questions 

Monday Area of a parallelogram.mp4

Still image for this video

Optional Extra - for those of you who want a challenge! 

 

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