MathSprig

THE WORKSHEET LIBRARY

Geometry worksheets

Identify shapes and angles; calculate area, perimeter and volume.

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Read the labels before choosing a formula. Most diagrams give the measurements you need. For protractor practice, choose Measuring angles: those diagrams leave the degree measure for you to find.

Where to start

  1. Lines, rays and segments

    Begin with endpoints and arrowheads. Explain which objects stop and which extend, rather than classifying them by apparent length.

  2. Classifying angles

    Connect a stated measure to an angle type. Use measuring angles when positioning and reading a protractor is the practice goal.

  3. Rectangle area and perimeter

    Separate distance around a shape from the space inside it. Keep the unit in every answer before moving to triangle or quadrilateral area.

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10 skills

Lines, rays and segments

Use endpoints and arrows to identify lines, rays and segments.

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Classifying angles

Name acute, right, obtuse, straight and reflex angles.

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Measuring angles

Use a protractor to measure angles to the nearest five degrees.

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Finding missing angles

Find the missing angle on a straight line.

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Classifying triangles

Use side lengths to name equilateral, isosceles and scalene triangles.

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Rectangle area and perimeter

Find the space inside a rectangle and the distance around it.

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Triangle area

Find a triangle’s area from its base and perpendicular height.

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Parallelogram and trapezoid area

Calculate the area of parallelograms and trapezoids.

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Radius, diameter, circumference and area

Find circumference and area from a circle’s radius or diameter.

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Volume of rectangular prisms

Multiply length, width and height to find a prism’s volume.

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Check understanding

A rectangle is 8 cm long and 3 cm wide. Find its area and perimeter.

Area: 24 cm². Perimeter: 22 cm.

Area is 8 × 3 square centimetres. Perimeter is 8 + 3 + 8 + 3 centimetres. Different units help distinguish the two measurements.

Teaching notes

For triangle and quadrilateral area, use the perpendicular height rather than a sloping side. Circle answers stay exact in terms of π. Prism diagrams label dimensions and are not for measurement. When using a protractor on printed angles, keep the paper at the intended scale and inspect the output first.

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