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Year 1 Maths articles

What are odd and even numbers?
What are odd and even numbers?
We explain what odd and even numbers are and how primary-school children are taught about this concept in KS1 and then have to apply this learning in KS2.
What are degrees?
What are degrees?
We explain what degrees are and how children are taught to use protractors to measure angles, as well as reviewing the different knowledge children acquire about angles throughout KS1 and KS2.
What are right, acute, obtuse and reflex angles?
What are right, acute, obtuse and reflex angles?
We explain what right, acute, obtuse and reflex angles are and how children are taught about different angles through KS1 and KS2.
Horizontal
What is horizontal?
We explain how primary-school children are taught to recognise horizontal lines in shapes.
Vertical
What is vertical?
We explain how primary-school children are taught to recognise vertical lines in shapes, and what you can to to support your child's understanding at home.
Parallel lines
What is parallel?
We explain what parallel means and how children are taught about shapes throughout KS1 and KS2.
Perpendicular
What is perpendicular?
We explain what perpendicular means and how children are taught angles throughout KS1 and KS2.
What is diagonal?
What is diagonal?
We explain what diagonal means in geometry and why it is important that children understand this term when learning about 2D shapes in primary school.
What is mass?
What is mass?
We explain what mass means, how mass is usually measured and how children are taught to convert from one unit of mass to another.
What is 'convert into the same units'?
How do you 'convert into the same units'?
We explain what the phrase 'convert into the same units' means, how children are taught to convert units of measurement and techniques that teachers use to help children master this skill.
What is 'the difference between'?
What is 'the difference between'?
We explain what teachers mean when they talk about finding 'the difference between' and give examples of how children are taught to work out the answers to subtraction problems.
What is < and >?
What is < and >?
We explain what the symbols < and > mean and give examples of how the concept is explained to primary-school children.
What is descending order?
What is descending order?
We explain what descending order means and give examples of how the concept might relate to numbers, decimals, fractions or amounts of money.
Ascending order
What is ascending order?
We explain what ascending order means, how children are asked to sort into ascending order in primary school and give examples of how the concept might relate to numbers, dates, decimals or alphabetical lists.
Repeated addition
What is repeated addition?
We explain what repeated addition means, how it is taught in school as a foundation of multiplication understanding and techniques that teachers use to help children grasp the concept.
Number sentences
What is a number sentence?
We explain what a number sentence is and how primary-school children are taught to write number sentences (or fill in gaps in number sentences) in KS1 and KS2.
Sum
What is a sum?
We explain what a sum is and how children are taught to understand the term when it appears in mental maths tests, word problems or investigations.
Division facts
What are division facts?
We explain what division facts are, how they are taught in primary school, and share some fun games that you can try at home to make this knowledge stick.
What is success criteria?
What is a success criteria / WILF?
Find out what success criteria (also known as the 'WILF') are and how your child's teacher will use success criteria to boost learning focus.
What is a Learning Objective / WALT?
What is a Learning Objective / WALT?
Heard your child talk about their LO, or their WALT? Teachers use learning objectives to help children understand what is expected of them in the classroom. Find out what a learning objective (or WALT) is and how learning objectives are used in primary school.
What is a DUMTUM?
What is a DUMTUM?
Find out what a DUMTUM is and how this technique will help your child to set out their work correctly.
What are talk partners?
What are talk partners?
Find out what a talk partner is and why having a talk partner will benefit your child's learning in the classroom.
What is 'scaffolding' learning?
What is 'scaffolding' learning?
Find out what 'scaffolding' learning means and how teachers use this technique in the classroom to help children master different skills.
What are interactive whiteboards?
What are interactive whiteboards?
Find out what interactive whiteboards are and how they enhance learning in the classroom.
What are mini-whiteboards?
What are mini-whiteboards?
Find out what mini-whiteboards are and how they enhance learning in the classroom.
Number puzzles
12 great benefits of maths challenges
Maths activities could give your child’s learning a boost in many ways, and help them engage with numbers (and enjoy it!) from a young age. Lucy Dimbylow offers 12 reasons to give number puzzles a go today.
Multiplication
Teachers' tricks for multiplication
Can you multiply using the grid method, or draw a multiplication calculation as arrays? Find out more about multiplication and how it’s taught in schools today with our teachers' tips, tricks and methods, explained for primary-school parents.
Subtraction
Teachers' tricks for subtraction
Help your child become subtraction savvy with our teachers' tips on methods, practical resources, vocabulary and more. From subtraction songs and subtraction story problems to column subtraction, Phoebe Doyle offers some practical homework help for 'taking away'.
Fractions
Teachers' tricks for fractions
From halves in quarters in KS1 to equivalent fractions in KS2, primary teacher Phoebe Doyle offers some insiders’ tips to help you help your child at home, plus details of fraction walls, hundred charts and other useful maths resources.
Mother and daughter with clock
Best time-teaching products
Great toys, books and resources to help your child learn to tell the time on analogue and digital timepieces, from clock face recognition to estimating time differences on the 24-hour clock.
Teachers' tricks for division
Teachers' tricks for division
Primary school teacher Phoebe Doyle has some tips and tricks to help your child with division work at home, offering an explanation of strategies using in school today as well as some useful practical exercises to try.
Illustrated numbers
5 number and counting skills primary-school children need
Numbers are all around us, almost from birth! Teacher Phoebe Doyle looks at counting, a fundamental aspect of mathematical understanding, to help your child grab the basics (without confusion!) from day one.
Shape, space and primary geometry
Teachers' tricks for shape, space and geometry
Throughout primary school children learn about the properties of the shapes in the world around them (primary geometry, in other words). Phoebe Doyle offers some insiders’ tips on helping them master shape and space maths targets.
Money maths
Teachers' tricks for money maths
Money is the ultimate ‘real-life’ maths resource. Here's how to make the most of this tool to improve your child's maths learning at home.
Tape measures
Teachers' tricks for weights and measures
Weights and measures can be a really fun area of maths to teach in school – but one that can leave parents unsure of how to help at home. Teacher Phoebe Doyle has some hints and suggestions.
Number bonds
What are number bonds?
If your child is in Key Stage 1, chances are they'll have told you they're learning 'number bonds'... but what are they? Teacher Alice Hart explains why children are taught these number pairs, and how you can help your child practise them at home.
Venn diagram
What is a Venn diagram?
Venn diagrams are often used to sort data in primary school. Find out what parents need to know about how to complete and read a Venn diagram correctly, plus how they're used in the classroom in KS1 and KS2.
Place value
What is place value?
A good understanding of place value (the value of each digit in a number) is vital in primary-school maths. Our parents' guide explains how your child will be taught about units, tens, hundreds and thousands with number lines, arrow cards and more, as well as outlining how place value is used to help children visualise calculations.
Jump strategy
What is subtraction on a number line?
Also known as the jump strategy or complementary addition, subtraction on a number line is a common technique in KS1 and KS2 maths, useful for helping children visualise that subtraction is finding the difference between two numbers. Teacher Alice Hart explains the method and how it's taught in primary school maths.
Teachers' tricks for addition
Teachers' tricks for addition
Help your child with their addition work, from the basics in Reception to calculations in KS1 and KS2, with some teachers' tricks to help the learning stick.