Lines & Angles

Online Activities for 5th & 6th Classes

Angles and Lines: A series of video lessons from White Rose Maths, including Measure with a Protractor, Introduce Angles, Angles in a Triangle

Measuring Angles with a Protractor: Video Tutorial from Two Minute Math

Khan Academy - Measuring Angles: A series of geometry lessons on angles; watch the lessons and then answer the practice questions. Other relevant lessons include this one on the sum of angles in a triangle and this one on the sum of angles in a quadrilateral. You can also register for a free Khan Academy account to record your progress and explore other areas and/or try more difficult material.

Angle Alien Attack: Defend the Earth from an alien invasion using your knowledge of angles. Choose to read the angles from the protractor or estimate them without a protractor.

Alien Angles: Create a specified angle to destroy the aliens. Challenging, but great for developing the ability to estimate angles. A similar game is Rocket Angles; this time you must estimate and input the measure of the given angle in degrees.

Estimating Angles: In this game you must stop the angle size as near as possible to the target measure in degrees.

Pattern Blocks: Explore the lines and angles that can be made with these interactive pattern blocks. Also includes a protractor feature for measuring the angles.

Geoboard: Make lots of different angles and lines using this interactive geoboard, free from the Math Learning Centre.

That Quiz - Angles: This quiz has lots of options, on the left hand side, that can be changed to suit the ability of the child. Ensure that the level is set to 1. Each time do the set 10 questions, if you get 10 or 9 correct go up a level, if not stay at that level. Start with only the “Measure” option on the left-hand side ticked, and when you bring the mouse across the screen, it changes into a transparent protractor. Other options included calculating the value of a missing angle in a triangle, (Triangle), and calculating the value of a missing angle in intersecting lines (Line) or parallel lines (Parallel).

Geometry: a selection of games from, including types of angles, obtuse, acute or straight, types of lines. You can do a number of free quizzes each day without having a subscription. (Please note that the class levels given do not always align accurately with the content of the Irish Primary

Math Games: selection of interactive geometry quizzes, that includes lines and angles.