Curriculum materials for students, schools and colleges created by MathsNet in partnership with AngliaCampus.

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B1. Indices : Recall... You should know all the perfect squares from 2 squared to 10 squared. You should also know these squares and square roots "by heart": 112=121, 122=144, 132=169, 142=196, 152=225 121=11,144=12, 169=13 196=14, 225=15 Practise your squares. Press "To get" to get started. you must square: