Identify equal parts in a whole when they do not look the same in 2D shapes | Maths

Starter quiz

$What is the name of the indicated part of the fraction?$

What is the name of the indicated part of the fraction?
- Division bar ✓
- Denominator
- Numerator
How many parts has the whole been divided into if the fraction notation is $\frac{1}{5}$ ?
- 1
- 5 ✓
- 6
Complete the sentence: The whole has been divided into 3 equal parts and 1 is shaded. This is one-______
- 'third' ✓
Tick the correct fraction notation that shows one-sixth.
- $\frac{1}{5}$
- $\frac{6}{1}$
- $\frac{5}{1}$
- $\frac{1}{6}$ ✓
Tick the correct fraction notation that shows one-quarter.
- $\frac{1}{4}$ ✓
- $\frac{1}{3}$
- $\frac{4}{1}$
- $\frac{3}{1}$
Match the fraction name to the fraction notation.
- $\frac{1}{2}$
  
  ⇔
  
  one-half ✓
- $\frac{1}{4}$
  
  ⇔
  
  one-quarter ✓
- $\frac{1}{12}$
  
  ⇔
  
  one-twelfth ✓
- $\frac{1}{3}$
  
  ⇔
  
  one-third ✓

Exit quiz

Equal parts can be differently shaped. True or false?
- True ✓
- False
$A piece of paper is folded in half and placed on top of another identically sized piece. What fraction of the whole is the paper on top showing?$

A piece of paper is folded in half and placed on top of another identically sized piece. What fraction of the whole is the paper on top showing?
- $\frac{1}{4}$ one-quarter
- $\frac{1}{3}$ one-third
- $\frac{1}{2}$ one-half ✓
- We can’t tell because they’re different shapes.
$Look at the image. What fraction of the whole is the shaded part?$

Look at the image. What fraction of the whole is the shaded part?
- $\frac{1}{4}$ one-quarter ✓
- $\frac{1}{8}$ one-eighth
- $\frac{1}{10}$ one-tenth
- $\frac{1}{5}$ one-fifth
The skipping ropes are all the same length. What part of the whole is one of the ropes?
- $\frac{1}{3}$
- $\frac{1}{4}$ ✓
- $\frac{1}{5}$
- We can’t tell because they’re different shapes.
$What fraction of the whole is the shaded part?$

What fraction of the whole is the shaded part?
- $\frac{1}{2}$ one-half
- $\frac{1}{3}$ one-third ✓
- $\frac{1}{4}$ one-quarter
- $\frac{1}{5}$ one-fifth
Which two parts in the image show differently shaped equally sized parts? Select the letters that match the parts.
- a and b ✓
- b and d
- a and c
- c and b

Worksheet

Loading worksheet ...

Presentation

Loading presentation ...

Lesson Details

Key learning points

Equal parts may not look the same
The whole has been divided into __ equal parts
One equal part is shaded so each equal part is __ of the whole

Common misconception

Children might find it hard to create their own puzzles in the final part of Task B as the dotted lines can be overwhelming.

Model the process heavily for those who need it, where possible using a visualiser and sharing finished examples. Make good use of the template. A bigger version can be found in the additional materials.

Keywords

Whole - The whole is all of a group or number.
Part - A part is a section of the whole.
Equal - Have the same quantity or value.
Unequal - Do not have the same quantity or value.