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Identify the Blocks Used to Make Compound 3D Shapes

In this worksheet, students will identify the building blocks used to make a compound 3D shape in which some of the blocks aren’t always clearly shown.

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'Identify the Blocks Used to Make Compound 3D Shapes' worksheet

Key stage:  KS 2

Year:  Year 4 11+ worksheets

Curriculum topic:   Spatial and Non-Verbal Reasoning

Curriculum subtopic:   3D Building Blocks

Difficulty level:  

Worksheet Overview

Hi there, block builder.

We could do with your expertise to tackle this next problem.

Can you help us?


Look at the 3D shape below:


Imagine the separate blocks that are needed to build this shape.


Which set of building blocks below would correctly make this shape?


a)         b)         c) 


If we imagine all the separate pieces that make up this shape, we should expect to see two small cubes and a longer cuboid.


So option b is the correct answer as it is the only group that contains these three types of blocks.



Let’s try another!

This one is more of a challenge as we can’t see all of the blocks and need to imagine the parts that we can’t see.


Look at the image below:

Which blocks is this shape made up of?


a)         b)         c) 


For this type of question, it is a good idea to look at the options and imagine yourself putting the blocks together to make the shape above.

Some will obviously not work and others will need more time to consider.


Did you choose option c?


The other options cannot be put together to build the target shape above.



It is now your turn to be a master builder and imagine the blocks that are needed to make our shapes.


A staircase model made from interlocking plastic blocks in rainbow colours


Good luck!

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