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Grade 7 Mathematics

Videos are listed chronologically by date added, beginning with the most recent

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Supporting the Troops. Episode 6

The video investigates the importance of supporting the fighting forces through the merchant marine that transported many resources required to fight the enemy in the Second World War.

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Training and Preparing for War. Episode 1

The video explores the challenges, sense of duty and loyalty that veterans experienced as they trained and prepared for the Second World War.

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Understanding Ratio and Proportion

This video assists students to develop their proportional reasoning skills. Ideas that are introduced in the program include: 1. concept of ratios and proportions, 2. correct way to express and write rations and proportions, 3. ratios and proportions in their simplest form and 4. comparing ratios...

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Teaching for Numeracy

This video shows educators how to encourage students to learn and develop their numeracy skills. The activities are designed with a clear purpose, helping students to explore and think for themselves, show strategies and gain understanding. Opportunities are presented for students to share their ...

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Triangles and Quadrilaterals

Series: Mathemania 3
Students will learn how triangles can be classified by side length and by angles. The different types of convex quadrilaterals are named and illustrated.

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Similarity, Ratio and Proportion

Series: Mathemania 3
Using examples from the natural world, students learn about similarity, ratio and proportion. Students will learn to survey to find the width of a river and use a mirror to find the height of a tall object.

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Naming and Measuring Angles

Series: Mathemania 3
Key concepts of angles are introduced such as defining and writing information about an angle, mathematical notation for rays, line segments and lines. Other topics introduced include obtuse angles, acute angles and congruent angles.

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Geometric Transformations

Series: Mathemania 3
The narrator in the video uses everyday situations to explain translations, rotations, reflections and dilations.

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Geometric Constructions

Series: Mathemania 3
A teen girl creates a mobile to hang above a baby's crib by using the following: bisecting an angle, perpendicular bisector of a line, construct a triangle, determine the centre of gravity, determine the inscribed circle of a triangle and determine the circumcircle of a triangle.

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Coordinate Geography

Series: Mathemania 3
The first quadrant of the Cartesian plane is explored in the context of a city street grid. Other features include using coordinates, graphing relationships and how slope is measured.

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Linear Functions: An Introduction

This video introduces linear functions. The presenter, Sharpie, outlines the different forms of linear functions: tables, graphs and equations. The students explore the concept of the y-intercept and learn how to determine the slope of a line given any two points on the line. As students plot lin...