Expanding Double Brackets (A)

Year groups: 9, 10 and 11
GCSE Tier: F, H
Target grades: 3-5

Prerequisite knowledge:

Students should be familiar with the laws of indices, expanding single brackets and collecting like terms.

Worksheet Description:

This worksheet is much less guided than Factions, decimals and percentages A and B as it requires students to convert more fluently between percentages and decimals.

Section A takes a closer look at common, but often difficult to convert, thirds and eighths. Here students are given the equivalences for 1/8 and 2/8, asked to determine 3/8, 5/8 and 7/8 using the information they have. Knowledge of equivalent fractions is drawn out as students are asked why 4/8 and 6/8 have been excluded.

Next up, students convert decimals to percentages including a number greater than 1 and decimals into 4 decimal places. Section C is the reverse of section B, percentages converted to decimals.

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