GCSE Higher - Y10 Mock Revision List

These flashcards cover key concepts and definitions relevant to the GCSE Higher curriculum.

What operations are included in estimating square roots?

U299

What is the purpose of the HCF?

To find the highest common factor between numbers.

What does LCM stand for?

Least Common Multiple.

What is the form used for operations with powers?

Numerical indices.

What are surds?

Irrational numbers that can be expressed as the root of an integer.

How do you expand double brackets?

Use the distributive property to multiply each term in one bracket by each term in the other.

What is a linear equation?

An equation that makes a straight line when graphed.

What do stem and leaf diagrams represent?

Data in a way that preserves the original data values.

How do you calculate averages from a frequency table?

Sum of the products of the midpoints of the intervals and their frequencies divided by the total frequency.

What does Pythagoras' theorem state?

In a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

What is the formula for finding the area of a circle?

$A = ext{π}r^2$, where r is the radius.

What is the purpose of using a line of best fit?

To tell the trend of data points in a scatter graph.

Define 'enlargement' in terms of transformations.

A transformation that scales a shape by a given scale factor.

What does direct proportion mean?

As one quantity increases, the other quantity increases at the same rate.

What is the significance of the quadratic formula?

It provides the solutions to quadratic equations.