Maths at work
- Guide Number5 Guides
- Guide Number5 Guides
- Guide Number5 Guides
- Guide Number5 Guides
- Guide Number5 Guides
- Guide Number5 Guides
- Guide Number5 Guides
- Guide Number5 Guides
Learn the basics
Addition and use of the column method
Addition explained, getting the same total when adding different numbers and making addition easier using chunking and the column method.
Subtracting numbers using the column and chunking method
Explaining subtraction, subtracting numbers in stages and how to make subtraction easier using chunking and the column method.
Multiplication using the grid method and repeated addition
Explaining multiplication, different ways of thinking about multiplication and long multiplication using the grid method.
Dividing numbers equally and dealing with remainders
Division explained, remainders when dividing numbers and dividing by 10.
Place value and decimal places
Place value explained, multiplying and dividing by 10 and comparing prices using place value.
Simplifying and multiplying ratios
Ratios explained, working out total amounts using ratios and scaling a recipe using ratios.
Dividing whole things into fractions
Fractions explained, cutting a cake into equal pieces and representing a fraction as a decimal and as a percentage.
Working out percentages of an amount and price discounts
Percentages explained, calculating percentage discounts and how to turn fractions into percentages.
Decimal numbers and the decimal point
Whole numbers and decimal numbers, measuring correctly using decimals and multiplying decimals.
Problem-solving tools
Using bar modelling to find the best supermarket deal
A shopper uses bar modelling to work out the price per litre of cooking oil in a supermarket so he can get the best deal.
Working out how much paint is needed using bar modelling
Measuring the area of a room and using bar modelling to calculate how much paint is needed.
Calculating a 10% tip in a restaurant using place value columns
A group of friends work out 10% of their restaurant bill and how much they each need to pay.
Using a timeline to calculate how long it will take to get to work
An apprentice uses a timeline to work out what time he needs to leave the house for work.
Scaling up a cake recipe using a fraction wall
Increasing the ingredients in a cake recipe by 1.5 using a fraction wall.