Synopsis
Three questions of increasing difficulty challenge us to identify the line or lines of symmetry, while we learn that some objects are not symmetrical at all.
- Programme: Let's Do Maths!
- Channel: BBC Two
- Broadcast year: 2012
- Maths | Geometry | Properties of shapes | Perpendicular and parallel lines
Licence: ERA Licence required
Free to watch for UK schools, colleges and universities with an ERA Licence
UK only
Staff and students of licensed education establishments only
Cannot be adapted
Add Notes
More clips from Let's Do Maths!
24 hour clock and timetables | Let's Do Maths!
24 hour clock and timetables | Let's Do Maths!
Three differentiated questions then reinforce understanding of telling the time using the 24 hour clock.
Area and perimeter | Let's Do Maths!
Area and perimeter | Let's Do Maths!
Three questions of increasing difficulty are asked about area and perimeter based on the pizza parlour scenario.
Capacity and measure | Let's Do Maths!
Capacity and measure | Let's Do Maths!
Which container will fill the bucket the fastest?
Equilateral triangles | Let's Do Maths!
Equilateral triangles | Let's Do Maths!
Three differentiated questions then reinforce understanding of angles in a triangle, use of a protractor and introduce an investigati...
Investigating angles | Let's Do Maths!
Investigating angles | Let's Do Maths!
Three angle-related questions of increasing difficulty are asked, working on sixths of 360 degrees.
Measuring distance | Let's Do Maths!
Measuring distance | Let's Do Maths!
Two questions of increasing difficulty show an overview map of the rectangular route round the block and the distances travelled as well...
Polygons | Let's Do Maths!
Polygons | Let's Do Maths!
We are challenged to make our own pentagon; we are asked to explore how to investigate hidden triangles within the pentagon diagram; and finally w...
Radius and diameter | Let's Do Maths!
Radius and diameter | Let's Do Maths!
Three radius and diameter questions of increasing difficulty are posed at the end of the scenario to consolidate the learning.
Solving problems with money | Let's Do Maths!
Solving problems with money | Let's Do Maths!
Three maths questions of increasing difficulty structure the steps of the Abi's money saving problem.
Understanding angles | Let's Do Maths!
Understanding angles | Let's Do Maths!
Three differentiated questions at the end of the scenario consolidate the language and understanding of angles.
Units of time | Let's Do Maths!
Units of time | Let's Do Maths!
Three questions then challenge us firstly to work out how old 40 months is in years and months, how old 40 weeks is in months, and lastly ask...
Using a calendar | Let's Do Maths!
Using a calendar | Let's Do Maths!
The ugly sisters are invited to the ball but want to grow some pumpkins for the event - will they have enough time to grow one?
Using a compass and reading maps | Let's Do Maths!
Using a compass and reading maps | Let's Do Maths!
The viewer is asked to draw the map of the route taken by the family using a 1cm to 1m scale, to plot a quicker route and ...
Using grams and kilograms | Let's Do Maths!
Using grams and kilograms | Let's Do Maths!
Three questions of increasing difficulty help to structure the solution and set related weight problems.
Using weights and measures | Let's Do Maths!
Using weights and measures | Let's Do Maths!
Three questions of increasing difficulty help to work out how to use weights and measure when cooking pancakes.
Weighing and measuring | Let's Do Maths!
Weighing and measuring | Let's Do Maths!
Three questions of increasing difficulty help to work out how to solve the problem including having a mixture of large and small piz...
More resources about Primary Maths
4 sides | Numberjacks
4 sides | Numberjacks
3 is out on her own, trying to do battle with the Shape Japer, who does not like things in threes.
Kick Sum Maths
Kick Sum Maths
Educational maths programme using animation, puppetry, live action and visuals to deliver KS2 maths. Topics covered include prime numbers, finding factor pair...
Missing colours | Numberjacks
Missing colours | Numberjacks
Certain coloured items are going missing.
Multiplying by 10 | Numberjacks
Multiplying by 10 | Numberjacks
When there should only be one of something, suddenly there are ten of something!
Weight and balance | Numberjacks
Weight and balance | Numberjacks
The Numberjacks experience what different weights and balancing mean.
'Teen'' numbers | Numberjacks
'Teen'' numbers | Numberjacks
The Numbertaker has added ten more of things.
Adding one | Numberjacks
Adding one | Numberjacks
The agents are reporting that there is always one more of certain things!
Adding to 5 | Numberjacks
Adding to 5 | Numberjacks
The Puzzler sets the problem and 5 is the right Numberjack to sort it out.
Adding to 6 | Numberjacks
Adding to 6 | Numberjacks
The Numbertaker likes two lots of three today. 6 is the Numberjack to sort him out.
Bad Circles | Numberjacks
Bad Circles | Numberjacks
The Shape Japer is making bad circles by entering the circular hollow and saying "circle – bad!" 6 gets ready to sort her out.
Capacity and measure | Let's Do Maths!
Capacity and measure | Let's Do Maths!
Which container will fill the bucket the fastest?
Checking | Numberjacks
Checking | Numberjacks
5 sorts out the Puzzler's problems on her own and learns the importance of questioning and checking information.
Collecting data | Numberjacks
Collecting data | Numberjacks
Spooky Spoon is mixing things up and makes things at a cafe behave like party things and vice versa – 3 gets ready to take her on.
Halving | Numberjacks
Halving | Numberjacks
Half of all the objects are disappearing and changing the objects shape.
Missing out | Numberjacks
Missing out | Numberjacks
Some of the children are not counting out all their numbers.
Money | The Maths Channel
Money | The Maths Channel
Cashing-up at the cafe and coin capers with Mr Numbervator.
Negative Numbers | The Maths Channel
Negative Numbers | The Maths Channel
Explore numbers less than zero with our animated Number School digits, an underwater dive, a spell inside a freezer - and a frosty weath...
Number 8 | Numberjacks
Number 8 | Numberjacks
The Shape Japer is after things that come in eights, 4 goes on the mission.
Ratio and Fractions | Who Needs Maths?
Ratio and Fractions | Who Needs Maths?
Sanjeev Kohli is having a party. The recipe is for four people and he needs to scale this up for twenty. A professional cook, Emili Fu...
Shorter and Longer | Numberjacks
Shorter and Longer | Numberjacks
An agent says there is a boy having trouble with his pencil getting longer.