OCR Maths: Initial learning for GCSE - Check In Test 5.01 Calculations with ratio

A 10 question test on Calculations with ratio, comprising: 5 questions on procedural calculations; 3 questions on reasoning and communicating mathematically; and 2 problem solving questions. At the end of the test there is an extension activity which will allow more able students to stretch themselves.

The initial learning required for GCSE is based upon the subject content of the KS3 Mathematics programme of study and as such these resources could be used as a year 9 assessment, checking in to the GCSE topics. Likewise, they could be utilised as a recap tool with KS4 learners to introduce Foundation topics.

This resource is ideal for either formative or summative assessment and can be used in lesson time as a topic assessment, starter or plenary activity or for homework or revision.

Topics include:
Equivalent ratios:
Find the ratio of quantities in the form a : b and simplify.
Find the ratio of quantities in the form 1 : n.
Division in a given ratio:
Split a quantity into two parts given the ratio of the parts.
Express the division of a quantity into two parts as a ratio.
Calculate one quantity from another, given the ratio of the two quantities.
Ratios and fractions: interpret a ratio of two parts as a fraction of a whole.
Solve simple ratio and proportion problems.
Understand the relationship between ratio and linear functions.

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