Marbles are shared between Ben and Chloe in the ratio . Chloe gets 14 more than Ben. How many marbles are there altogether?
[3]Earn every mark in 13+ Common Entrance maths.
Lessons you work through, papers marked from your working, and a timed mental arithmetic test.
The Core exam in one look
- Paper 160 minutes, 100 marks, no calculator
- Paper 260 minutes, 100 marks, calculator
- Mental arithmetic10 minutes, 40 questions, answers only
Where marks go, and how we win them back
Fractions and percentages by hand
Paper 1 has no calculator. Lessons build each method one step at a time until it is automatic.
Method marks thrown away
Type your working line by line. The marker shows which marks it earns, even when the answer slips.
Fifteen seconds a question
The mental test is 40 questions in 10 minutes. Three free timed tests build the speed.
Which route your school wants
Foundation, Core, Additional or scholarship: the course map shows exactly what each route needs.
Try one. Your working is marked.
In the course now
- 15 interactive lessons
- 285 exam questions
- 2 full timed mocks
- 52 lessons mapped
See the whole course mapFree mental arithmetic test13+ maths papersThe syllabus
13+ Maths course
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