This is "Spr6.4.3 - Percentage of an amount (2)" by White Rose Maths on Vimeo, the home for high quality videos and the people who love them.
This is "Spr6.4.4 - Percentages - missing values" by White Rose Maths on Vimeo, the home for high quality videos and the people who love them.
This is "Spr6.5.1 - Find a rule - one step" by White Rose Maths on Vimeo, the home for high quality videos and the people who love them.
This is "Spr6.5.2 - Find a rule - two step" by White Rose Maths on Vimeo, the home for high quality videos and the people who love them.
This is "Spr6.5.3 - Forming expressions" by White Rose Maths on Vimeo, the home for high quality videos and the people who love them.