# Number

Showing 49–64 of 143 results

# Number

## Ratio and Equivalent Proportions

Students learn how to use ratio and equivalent proportions to write a ratio as a fraction and percentage.  Using...

## Reading and writing numbers on a scale

Students learn about reading and writing numbers on a scale using place value.  Most able students are challenge...

## Revising Adding and Subtracting Fractions

Students revise how to add and subtract fractions and mixed numbers with different denominators.  Learning progr...

## Revising Calculations with Standard Form

Students revise how to use calculator and non-calculator methods to solve problems involving standard form.  As ...

## Revising Compound Percentage Changes

Students revise how to calculate a compound percentage increase and decrease.  As learning progresses they set u...

## Revising Division with Decimal Numbers

Students revise how to divide with decimal numbers using either long division or equivalent fractions. Includes...

## Revising Enlargements on a Grid

Students revise how to perform and describe enlargements on a grid using a centre and positive scale factor.  A ...

## Revising Equivalent Fractions and Mixed Numbers

Students revise how to calculate equivalent fractions and  convert between top-heavy fraction and mixed numbers....

## Revising Equivalent Ratios

Students revise how to use equivalent ratios to solve problems involving proportional reasoning.  As learning pr...

## Revising Fractions, Decimals and Percentages

Students revise using the place value table to convert between fractions, decimals and percentages.  As learning...

## Revising Limits of Accuracy and Error Intervals

Students revise how to find the limits of accuracy for calculations involving rounded numbers.  As learning prog...

## Revising Multiplication and Division of Fractions

Students revise how to multiply and divide with fractions and mixed numbers.  Learning progresses on to problem ...

## Revising Negative and Fractional Indices

Students revise how to apply the rules of index notation evaluate expressions involving fractional and negative ...

## Revising Order of Operations

Revising order of operations lesson where students practice how to break down a calculation using BODMAS. One ho...

## Revising Percentage Changes

Students revise how to calculate an amount after a percentage change using calculator methods.  As learning prog...

## Revising Prime Factors, Highest Common Factor and Lowest Common Multiple

Students revise how to calculate the prime factors of an integer.  As learning progresses they use prime factors...

### 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 […]