Maths Unit 1 - Intermediate

The number 33 554 432 is equal to 2²⁵.

Explain how this tells you that 33 554 432 is not a square number

Write the following in numbers 3.5 x 10³

Write the following in numbers 4.7 x 10^-3

A shopkeeper buys video recorders at £160 each. At what price must the shopkeeper sell the video recorders in order to make a profit of 30%

Is 25% of 8 the same as 8% of 25?

• TRUE

• FALSE

Find the Lowest Common Multiple (LCM) of 60 and 72

Cerys and Martin share £160 in the ratio of 7:1. How much does Cerys get?

An alloy is made by using copper and zinc in the ratio of 17:3.

There is only 1.5kg of zinc available, but plenty of copper.

What is the greatest amount of the alloy that can be made?