EduNinjaEdexcel IGCSE Math B 1 Number question practice helps you revise this syllabus point with the course map in view. Use this page to focus on one topic, check the style of questions available, and connect each attempt back to the knowledge area it is testing.
EduNinja keeps Math B practice aligned to Edexcel, so you can move from topic review into exam-style question bank work without losing the syllabus structure. Start with a small set, mark the weak steps, then return to nearby topic links when a definition, graph, calculation, or explanation needs repair.
The scale drawing opposite shows the positions, A, B and C, of three lighthouses. The points A, B and C lie at sea level in the same horizontal plane with B due north of A.
The scale of the drawing is 1 cm represents 50 km.
Find by measurement
the actual distance, in km, from A to B,
Chi received $ 348 in pay after tax was deducted.
Tax was deducted at a rate of 40\%
Calculate Chi's pay, in $, before the tax was deducted.
The tax should have been deducted at a rate of 25% and not 40%.
Calculate by how much, in $, Chi was underpaid.
When it is 9.42 am in London, it is 2.12 pm the same day in Delhi.
It is 10.15 am in Delhi.
Find the time in London.
In 1924 the 100 metre world record for men was 10.40 seconds.
In 2010 it was 9.58 seconds.
Calculate, to 3 significant figures, the percentage decrease in this world record between 1924 and 2010.
Adam's weight is 190 pounds.
Given that 1 pound =0.454 kilograms,
calculate Adam's weight in kilograms.
Lauren owns a Shetland pony.
She uses this rule to calculate how much food to give her pony each day.
Give 8 grams of food for each kilogram of the pony's weight.
Lauren's pony's weight is 180 kg .
Calculate the weight, in grams, of food that Lauren must give her pony each day.
Lauren thinks that her pony is overweight.
She discovers that her pony needs to lose 16% of its weight of 180 kg to reach a healthy weight.
Calculate, in kg, the pony's healthy weight.
Write 8693 to 2 significant figures.
Write 0.0374 to 2 significant figures.
Find the Lowest Common Multiple (LCM) of 60 and 135
Show your working clearly.
Write 0.000315 in standard form.
Express 721 minutes as a fraction of 24 hours.
Give your answer in its simplest form.