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Fold Irregular Shapes in all Directions Across Diagonal Fold Lines

In this worksheet, students will visualise folding regular and irregular shapes along a diagonal fold line, including when they are required to deduce the direction of the fold.

'Fold Irregular Shapes in all Directions Across Diagonal Fold Lines' worksheet

Key stage:  KS 2

Curriculum topic:   Spatial and Non-Verbal Reasoning

Curriculum subtopic:   Folding Paper

Difficulty level:  

Worksheet Overview

Welcome, shape detective! Are you ready to use the visual part of your brain and imagine shapes in your head?

 

Look at the shape below:

 

 

Now imagine this same shape being folded along the dashed line shown below.

 

 

Which of the following images would look like this shape after it has been folded?

The shape could be folded up or down so try and visualise both possible options.

 

a)         b)         c)       d) 

 

The correct answer is b!

 

We are folding the tip of the bottom arrow behind in a straight horizontal line, so option c cannot be the answer. 

 

Then we need to consider how much has been folded behind and whether it would all be covered.

Option a shows it folded exactly in half, which is not what the question showed, so this can be discounted.

Option d shows a little more than half, but this also does not match the question image.

 

Therefore, option b must be the correct answer as the point of the lower arrow will be hidden behind the large central area of the shape.  

 


 

Let’s investigate another example now. 

 

Imagine this shape is folded along the dashed line:

 

 

Which of the following images would show what it looks like after it has been folded?

The shape could be folded either way so try and visualise both options.

 

a)         b)         c)         d) 

 

The correct answer is c!

 

The lightning bolt finishes in a point, so we need to consider all options where this comes either in front of the rest of the shape or behind it. 

Only option c shows a viable option for this, which is created when the point of the bolt has been folded up so it covers some of the body of the shape. 


 

It’s now your turn to visualise folding other shapes.

 

EdPlace 11+ detective

Pssstt!! Here’s a handy hint to help you reach superstar status:

 

If you find this challenging, you can create the shapes on a piece of paper and try folding them in real life.

 

Good luck, fab folder!

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