CCEA GCSE Mathematics M4 – Study Guide & Practice Questions
Formula for simple interest - correct answer ✔✔amount invested X time in years X interest
(percentage in decimal form)
Formula for compound interest - correct answer ✔✔original investment X (100 + %/ 100) to the
power of the number of years
Highest Common Factor - correct answer ✔✔the largest factor of two or more numbers
Lowest Common Multiple - correct answer ✔✔small number that is a multiple of both
Pythagoras theorem formula - correct answer ✔✔a^2 + b^2 = c^2
Area of a parallelogram - correct answer ✔✔A=bh
Area of a trapezium - correct answer ✔✔1/2(a+b)h
Area of a circle - correct answer ✔✔A=πr²
Circumference of a circle - correct answer ✔✔2πr
Volume of a cuboid - correct answer ✔✔lwh
Volume of a prism - correct answer ✔✔Area of cross section x length
Volume of a cylinder - correct answer ✔✔V=πr²h
Formula for simple interest - correct answer ✔✔amount invested X time in years X interest
(percentage in decimal form)
Formula for compound interest - correct answer ✔✔original investment X (100 + %/ 100) to the
power of the number of years
Highest Common Factor - correct answer ✔✔the largest factor of two or more numbers
Lowest Common Multiple - correct answer ✔✔small number that is a multiple of both
Pythagoras theorem formula - correct answer ✔✔a^2 + b^2 = c^2
Area of a parallelogram - correct answer ✔✔A=bh
Area of a trapezium - correct answer ✔✔1/2(a+b)h
Area of a circle - correct answer ✔✔A=πr²
Circumference of a circle - correct answer ✔✔2πr
Volume of a cuboid - correct answer ✔✔lwh
Volume of a prism - correct answer ✔✔Area of cross section x length
Volume of a cylinder - correct answer ✔✔V=πr²h
