Think-Top Educational Institute
Standard 5 · SEA Mathematics

Quadrilaterals

Get to know the square, rectangle, parallelogram, rhombus, trapezium and kite by their sides, angles, parallel pairs and symmetry, and use the 360 degree angle total. Each exercise marks itself as your child goes, explains the answer, and awards stars.

Practise this topic freeAll Standard 5 Maths topics
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What your child practises

Skills in this topic

Naming a quadrilateral from its propertiesSides, angles and parallel sidesTrue or false property reasoningComparing and sorting quadrilateralsRight angles and lines of symmetryThe four angles add up to 360 degrees
Free to try

4 free exercises in this topic

Meet the quadrilateral family
Shape fact gaps
Name the shape from its properties
The 360 degree rule

Plus adds 8 more exercises on this topic.

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Inside the app

How an exercise works

SEA practice app: Exercises inside a topic
Exercises inside a topic
SEA practice app: Instant feedback on every answer
Instant feedback on every answer
SEA practice app: Stars, ranks and badges
Stars, ranks and badges
Plus

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More Standard 5 Maths topics

Perimeter Formulae

Use the formulae for the perimeter of rectangles and squares, then find the perimeter of shapes with corners cut out and work out a missing side.

6 free exercises

Unequal Sharing

Share money and marbles when one person gets more. Take away the extra, count the equal parts, or give half the difference to make things fair.

4 free exercises

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