20 tasks that give the children the opportunity to explain their reasoning and apply their place value understanding.

A lovely task that introduces calculation missing numbers using the place value counters to support. Contains puzzle for the children to solve.

A whole lesson resources including models and images, children's activities and plenary.

A short introductory teaching activity linked to addition in year 3.

Children apply their addition skills in an investigation looking at how they can make the biggest possible sum using digit cards. This uses the standard written method.

A bundle of 20 activity cards/ IWB discussion tasks to support children in their understanding of place value in Year 3.

A small set of tasks to promote reasoning in the Year 3 classroom

Resources to support the whole lesson, including pupil task and an investigative extension.

Simple lesson presentation introducing the idea of factor rainbows.

A lesson that introduces factors, and how to find them, including factor flowers and factor rainbows, with explore, investigate and explain tasks for the children.

Investigate the length of caterpillars that follow the rule, even numbers are halved and odd numbers add one.

A nice lesson pack with a range of materials to support working out the missing number in a calculation.

A flipchart containing starter, main teaching , children's activities that can be printed and a plenary task.

Using base 10 to partition numbers in different ways, include pupil's investigation and support activity for SEN children

An introduction to addition pyramids extending to investigating how to order the numbers in order to get the biggest totals on top.

A nice activity to support using place value counters in the class room