How many were there? Whiteboard exercise Play

How many were there? A more difficult problem Student activity Play

How much bigger? Animation Play

Jumpers Whiteboard exercise Play

Longer, shorter Student activity Play

Longer, shorter Whiteboard exercise Play

Multiplying integers by 0.1 and 0.01 Whiteboard exercise Play

Multiplying integers by 0.1 and 0.01. More difficult problems Student activity Play

Myoglobin – a respiratory pigment with a greater affinity for oxygen than haemoglobin Student activity Play

Order of decimals Whiteboard exercise Play

Ordering decimals Animation Play

Ordering decimals Animation Play

Ordering decimals (1) Student activity Play

Ordering decimals (2) Student activity Play

Powers greater than 3 Student activity Play

Putting decimal numbers in order of size Student activity Play

Ratio of two quantities of the same kind Whiteboard exercise Play

Ratio of two quantities of the same kind Student activity Play

Rolling a number greater than or equal to 7 Whiteboard exercise Play

Splitting a number into a sum of smaller numbers Animation Play

Splitting a number into a sum of smaller numbers Whiteboard exercise Play

The content of a sentence as an algebraic expression Student activity Play

The nearest power of 10 Student activity Play

The nearest power of 10 Animation Play

The smaller wheel rolling along the bigger wheel Whiteboard exercise Play