Calculating Angles — Interactive Lesson (KS3)

Calculating Angles is a completely interactive lesson for pupils in year 7-9.

In this lesson, learners are able to apply the properties of angles at a point, angles at a point on a straight line, vertically opposite angles, angles in a triangle and angles in quadrilaterals to calculate unknown angles.

The lesson can be used as whole class teaching by teachers and at home by learners.
There are lots of drag and drop activities on calculating angles as well as instant learner feedback.

The lesson contains 50 Interactive pages.

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Other topics in this category include:

• Indices

• Negative and Fractional Indices

• Pythagoras Theorems

• Rounding and Estimations

• Distance-time Graphs

• Volume, Capacity and Density

• factorising quadratic expressions of the form ax² + bx + c

• simplifying expressions involving sums, products and powers

• Laws of Indices

• quadratic equations

• Trial and Improvement

• Simultaneous Equations

• Linear Inequalities

• Quadratic Inequalities

• Linear Sequences

• Quadratic Sequences

• Compound Measures

• The Gradient of a Straight Line

• Direct and Inverse Proportion

• Transformations

• Circle Definitions and Properties

• Circle Theorems

• Plans and Elevations

• Arc lengths Sector Area

• Surface Areas and volumes

• Congruence and similarity

• Pythagoras’ Theorem

• Trigonometry

•  sine rule and cosine rule

• translations as 2D vectors

• addition and subtraction of vectors

• multiplication of vectors by a scalar

• diagrammatic and column representations of vectors

Probability

• probabilities of mutually exclusive events

• probability of independent and dependent events

• conditional probabilities with two-way tables

• conditional probabilities with tree diagrams

• conditional probabilities with Venn diagrams

Statistics

• tables and line graphs

• histograms

• cumulative frequency graphs

• box and whisker plots

• measures of central tendency

• quartiles and inter-quartile range

• scatter graphs

Designed for ages 11–14 (UK Year 7–9). Aligned to the UK National Curriculum; adaptable to US state standards.