Interactive Lessons

Showing 433–446 of 446 results

Interactive Lessons

Mean Average from Discrete Data

Students learn how to calculate the mean average of discrete data using calculator and non-calculator methods.  ...

Substitution Into Algebraic Expressions

Students learn how to substitute known values into algebraic expressions using algebra notation and the order of...

Expanding Algebraic Expressions

Students learn how to expand algebraic expression from a set of brackets.  As learning progresses they find the ...

Factorising Quadratics ax^2 + bx + c

Students learn how to factorise quadratics in the form ax2 + bx + c involving positive and negative terms into t...

Factorising Quadratics

Students learn how to factorise quadratics in the form x2 + bx + c into two brackets with a mixture of negative ...

Factorising Expressions

Students learn how to factorise algebraic expressions using the highest common factor and basic algebraic notati...

Expanding Quadratics

Students learn how to expand the product of two brackets using the 'FOIL' method.  As learning progresses they...

Collecting Like Terms

Students learn how to simplify algebraic expressions by collecting like terms using basic algebraic notation.  A...

Simplifying Algebraic Products

Students learn how to simplify algebraic products using the rules of indices and basic algebraic notation.  As l...

Rounding to a Decimal Place

Students learn how to round a number to a given decimal place using place value.  As learning progresses they mo...

Rounding to Significant Figures

Students learn how to round a number to a significant figure using number lines and place value.  As learning pr...

Rounding to the Nearest Power of Ten

Students learn how to round any number to the nearest 10, 100 and 1000. As learning progresses students begin to...

Limits of Accuracy

Students learn how to calculate the limits of accuracy of rounded numbers.  As learning progresses they are chal...

Estimating Solutions by Rounding

Students learn how to estimate solutions by rounding numbers to a significant figure.  As learning progresses st...

Mr Mathematics Blog

Mathematics OFSTED Inspection – The Deep Dive

Earlier this week, my school took part in a trial OFSTED inspection as part of getting ready for the new inspection framework in September 2019. This involved three Lead Inspectors visiting our school over the course of two days. The first day involved a 'deep dive' by each of the Lead Inspectors into Mathematics, English […]

How to Solve Quadratics by Factorising

The method of how to solve quadratics by factorising is now part of the foundational knowledge students aiming for higher exam grades are expected to have.   Here is an example of such a question. Solve x2 + 7x – 18 = 0 In my experience of teaching and marking exam papers students often struggle with […]

How Write 3 Part Ratios

When learning how to write 3-part ratios students need to understand how ratios can be made equivalent. The start of the lesson reminds students by asking which of six ratios is the odd one out.  This is presented to the class as they come into the lesson.    Writing Equivalent Ratios  A few students immediately go […]