aidemia--modules-lessonplan_request	Titles of parts of the lesson must be formatted as headings
What to create	Lesson plan
Which subject	Mathematics
What topic	volume and capacity
What length (min)	50
What age group	Year or Grade 3
Include homework
Include images descriptions
Any other preferences	explain and cover: identify which metric units are used to measure everyday items; use measurements of familiar items and known units to make estimates Elaborations examining the packaging on supermarket items to determine the metric unit used to describe the mass or volume of the contents identifying items that have a mass of one kilogram or 500 grams, or a capacity of one litre or 500 millilitres, and using these benchmarks to estimate the mass or capacity of other things, explaining their reasoning estimating the height of a tree by comparing it to the height of their friend and quoting the result as ‘The tree is about 3 times as tall’; and estimating the capacity of a fish tank by using a litre milk carton as a benchmark choosing and using metres to estimate the dimensions of the classroom

Lesson Plan: Volume and Capacity

Subject

Mathematics

Year 3

50 minutes

Warm-Up Activity
Begin with a discussion about what volume and capacity mean.
- Ask students if they know about litres and millilitres.
- Show examples of items like a bottle of water (1L) and a can of soda (375mL).
- Write down examples on the board.
{The image of a classroom with a whiteboard showing a chart with different everyday items labelled with their volume or weight.}

Examine Packaging
Distribute packaging from a variety of supermarket items, such as juice boxes, cereal boxes, and canned goods.
- In groups, students will identify the metric unit used (grams, kilograms, litres, or millilitres).
- Discuss the choices made by different manufacturers in their packaging.

Identifying Mass and Capacity Benchmarks
- Introduce key benchmarks: 1 kilogram (kg), 500 grams (g), 1 litre (L), and 500 millilitres (mL).
- Show physical items (a 1 kg bag of flour or 500 g of sugar). Have students identify similar items in the classroom or around the school.
- Students will estimate the mass of items in the room using these benchmarks. For instance, “This chair must weigh about half a kilogram because it feels like 500g.”
{The image of a student holding a 1 kg bag of flour while looking at various classroom items to weigh.}

Estimating Height and Capacity
- Tree Estimation:
  - Go outside if possible or look out the window and pick a tree.
  - Have students estimate the height of the tree by comparing it to the height of their classmates.
  - For example, “The tree is about 3 times as tall as my friend.”
- Fish Tank Capacity:
  - Show the 1L milk carton and ask students to think about how many of these it would take to fill a fish tank.
  - Discuss and record the estimates on the board, reinforcing the concept of capacity.
{The image of students outside measuring the height of a tree while using friends as reference points for estimation.}

Estimating Classroom Dimensions
- Using the measuring tape, have students estimate the length and width of the classroom in metres.
- Students can measure using their steps or a known item (like a desk) as a benchmark.
{The image of a group of students measuring the classroom with a tape measure, looking engaged and collaborating.}

Wrap-Up Discussion
- Review what students learned about volume and capacity, focusing on the metric units.
- Allow students to share their estimation experiences and discuss the importance of measurement in everyday life.

Suggest students explore their own homes for items with volume or weight measurements and bring them to share in the next session.