Year level: 3

Strand: Number

Lesson length: 60 mins

In this lesson, students use fruit to explore common fractions. They step into the world of fractions by exploring various fruits and slicing them into halves, quarters and eighths. Through materials such as playdough and interactive discussions, they discover the meaning of terms such as numerator and denominator while getting creative with fruit fractions, and answering questions such as, ‘Are halves always identical?’ Extend the exploration to quarters and eighths, all while having fun with fruity fractions.

This lesson is one of a series of lessons developed in collaboration with the Australian Association of Mathematics Teachers (AAMT).

### Achievement standard

Students represent unit fractions and their multiples in different ways.

### Content descriptions

Students recognise and represent unit fractions including  1 2  ,  1 3  , 1 4  , 1 5   and  1 10   and their multiples in different ways; they combine fractions with the same denominator to complete the whole.AC9M3N02

### General capabilities

Literacy

Numeracy

Cross-curriculum priorities

Aboriginal and Torres Strait Islander Histories and Cultures (A_TSICP1)

The following formative assessment questions are recommended for this lesson.

• Preserve time at the end of the lesson for students to reflect and demonstrate their learning.
• Use the Exit ticket from the teacher's slides to ask the question:
14 is bigger than 12: True or False?
• Expect responses such as: True because four is bigger than two; False because ‘I just know’.

Some students may:

• understand the concept of fractions: Some students may find it challenging to grasp the fundamental concept of fractions, especially if they haven't been exposed to it before
• confuse the terms numerator and denominator and can be a bit abstract for younger students
• have difficulty with the variability in halves. While halves represent equal parts, the specific shape or size of those parts can vary (for example, half of an apple and half of a banana look different).

It is expected that students have:

• basic arithmetic skills (addition, subtraction and multiplication)
• some familiarity with common fruits and their shapes or parts.

## What you need:

• Lesson plan (Word)

• Teacher's slides (PowerPoint)

• Playdough or similar material (different colours to represent different fruit colours, if possible)

• Plastic knives (if appropriate)

• Real fruit (optional)