RATIO AND PROPORTION

 

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Ratio

 

Writing Ratios

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I Do, We Do, You Do Example Sheet and Worksheet on writing ratios using correct notation from a diagram.

Equivalent Ratios

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I Do, We Do, You Do Example Sheet and Worksheet on determining equivalent ratios (including Simplifying Ratios) both diagrammatically and numerically.

1:n and n:1 Ratios

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I Do, We Do, You Do Example Sheet covering reducing ratios to the forms 1:n and n:1.

Sharing in a Ratio

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I Do, We Do, You Do Example Sheets and Worksheet on Sharing in a Ratio including given total, given one quantity and given the difference.

Complex Ratios

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I Do, We Do, You Do Example Sheet covering more complex problems, including a:b and b:c and linking Ratio and Two-Way Tables.

 

Direct Proportion

 

Unitary Method

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I Do, We Do, You Do Example Sheet introducing the idea of proportion through a Unitary Method.  This also uses a bar model.

Basic Direct Proportion

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I Do, We Do, You Do Example Sheet covering numerical Direct Proportion through building upon the Unitary Method.

Direct Proportion Tables

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I Do, We Do, You Do Example Sheets and Worksheet on using a table to solve proportion problems and also to introduce the constant of proportionality.

The second worksheet ask students to identify mistakes in Direct Proportion Tables.

Formal Linear DP

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I Do, We Do, You Do Example Sheet covering formal Direct Proportion, through understanding the constant of proportionality.

Formal Non-Linear DP

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I Do, We Do, You Do Example Sheet covering formal Non-Linear Direct Proportion.

Inverse Proportion

 

Formal Inverse Proportion

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I Do, We Do, You Do Example Sheet covering formal linear and non-linear Inverse Proportion.