# Section Five: The mathematical reasoning strands

The suggested order for teaching the lessons to a class of Year 5 or Year 6 children is given in

the table below. Each lesson has a particular focus in terms of reasoning strands in the mathematics curriculum:

• number
• shape and space
• number relations and algebra
• data handling and measurement.

The suggested order is based on balancing type of lesson and gradual increasing challenge in mathematical reasoning over the full set of lessons and the lessons within each strand.

When planning the mathematics work over a term, you may wish to incorporate a particular Primary Let’s Think lesson into an appropriate unit of work, teaching the lesson ‘out of order’. Alternatively, each lesson could be taught ‘outside’ the medium term planning, in a time slot allocated for problem solving or assessment and review. The table includes both an indication of some curriculum links and the main strand for each lesson.

 Year 5 Curriculum links Focus Sports League Multiplication, algebra Number relations Digit Detective Inverse operation, place value Number Largest Rectangle Area, perimeter, properties of rectangles Shape Share an Apple Fractions Number Scaffolding Number patterns, ratio, algebra Number relations Comparing Texts Mode, range, representing data Data Picturing Numbers Mental calculation, vertical number line Number Cups and Saucers Circles (pre-pi), ratio Shape Mini Clubs Calculating, properties of numbers Number Tessellating Triangles Translation, rotation, reflection, angles Shape Design a Desk Length, averages Data Roofs Number patterns, algebra Number relations
 Year 6 Curriculum links Focus Half-time Scores Systematic grouping, algebra Number relations Good Enough to Eat Properties of numbers Number Robots Angle, position, direction Shape Caterpillars Number patterns, properties of numbers Number Gardens Number patterns, graphs, algebra Number relations Who Dunnit? Measures, ratio, averages Data Pegboard Symmetry Coordinates, number patterns, reflection Shape Halving and Thirding Fractions, ratio Number One-way Tracks Number properties, networks Shape Beanbag Pick Up Properties of numbers, algebra Number relations Which Way Up? Probability, data, inverse relationship Data Pencils and Rulers Calculation, two-way relationships Number relations