Show model answer and explanation
60
Multiply length, width and height.
Class 5 · Bangla Version · Mathematics
Measurement, area, perimeter and volume
Explore measurement, area, perimeter and volume with an example and your own answers.
About this lesson and its coverage
Original Kidemy foundation practice · Read the example, write your answers, then check. This starter is shared across class versions; it is not a complete board-specific lesson or course.
Open this topic in Skills Lab →
Learn the idea
Use square units for area and cubic units for volume. A rectangular box has volume length × width × height.
Worked example
A box 4 cm by 3 cm by 2 cm holds 24 one-centimetre cubes.
- Read the example and explain which rule or evidence it uses.
- Try each task yourself, then compare the answer and its reason.
Your written practice
Show your working on paper. Check your answer, then choose Next.
Show model answer and explanation
84
Multiply length by width.
Show model answer and explanation
38
Add both lengths and both widths.
Take it further
Apply the idea in a new situation and explain your method. Open writing needs a guardian or teacher to review it.
Show model answer and explanation
120
Multiply the three perpendicular dimensions.
Show model answer and explanation
11
Length plus width is 27 cm, so subtract sixteen.
Write in your own words. A guardian or teacher should review this response.
Show model answer and explanation
Its volume is 4×4×4. Six square faces each have area 4×4, so total surface area is 6×16.
Use cubic and square units for different measurements.
Progress and browser storage
Notebook challenge, sources and further study
Teacher-led lessons, schedules and prices for this outline are upcoming. You can use any starter practice above now without booking.
Your next step
Solo practice works without an account. Sign in to save a practice record to your learner profile.
Keep practising
Exact lesson links and related activities are labelled separately. Return-to-course links retain your selected learning path.
Play this exact lesson in Skills Lab →