Key Stage 3

Showing 145–150 of 150 results

Key Stage 3

Writing Expressions using Keywords

Students learn about writing expressions using keywords.  More able students are challenged to write expressions...

Writing Fractions as Percentages

Students learn how to convert between fractions and percentages using the place value table, factors of 100 equi...

Writing Numbers using Words and Digits

Students learn about writing numbers using words and digits through the place value.  Less able students have ac...

Writing Ratios in their Simplest Form

Key stage 3 lesson where students learn about writing ratios in their simplest form using the highest common fac...

Writing small numbers in Standard Form

Students learn how to convert between ordinary and standard form for numbers less than 1.  More able students ar...

Venn Diagrams

Venn diagrams are introduced as a means to organise sets of data into a sample space diagram.  As learning progr...
Interactive Lessons
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Mr Mathematics Blog

Rounding to a significant figure

When I teach rounding to a significant figure, I ask the class to discuss in pairs or small groups a definition for the word significant.  It is a word that all the students have heard before but not all are able to define. After 2 or 3 minutes of conversation I ask the students to […]

Calculating Instantaneous Rates of Change

When calculating instantaneous rates of change students need to  visualise the properties of the gradient for a straight line graph.   I use the starter activity to see if they can match four graphs with their corresponding equations. The only clue is the direction and steepness of the red lines in relation to the blue line […]

Converting Between Fractions, Decimals and Percentages

Fractions, decimals and percentages are ways of showing a proportion of something.  Any fraction can be written as a decimal, and any decimal can be written as a percentage.  In this blog I discuss how to use the place value table and equivalent fractions to illustrate how fractions, decimals and percentages are connected. You can […]