Explaining, convincing and proving
-
-
problemOverlaps
Age11 to 14Challenge level
Can you find ways to put numbers in the overlaps so the rings have equal totals?
-
problemQuadrilaterals in a square
Age11 to 14Challenge level
What's special about the area of quadrilaterals drawn in a square?
-
problemTriangles in a square
Age11 to 14Challenge level
What are the possible areas of triangles drawn in a square?
-
articleReasoning: identifying opportunities
In this article for primary teachers we consider in depth when we might reason which helps us understand what reasoning 'looks like'.
-
problemSchool fair necklaces
Age5 to 11Challenge level
How many possible symmetrical necklaces can you find? How do you know you've found them all?
-
problemCompare the cups
Age5 to 7Challenge level
You'll need a collection of cups for this activity.
-
problemCount the crayons
Age5 to 7Challenge level
How could you estimate the number of pencils/pens in these pictures?
-
problemDifference Sudoku
Age14 to 16Challenge level
Use the differences to find the solution to this Sudoku.
-
problemDoubling fives
Age5 to 7Challenge level
This activity focuses on doubling multiples of five.