Duelling Mathematicians

Substitution

Take turns answering maths questions. If you answer incorrectly, your time is halved and play switches.
The quiz ends when a player's timer reaches zero.

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Player 1

30 seconds

Player 2

30 seconds

Quiz Mode

Two player Single player Streak mode

Starting Time

30 seconds

Think Time

0 seconds

Bonus Time

0 seconds

About this topic

Practise substitution, including replacing variables with values, evaluating formulae, and working with negative inputs.

This topic covers

substituting values into expressions
evaluating formulae
using negative values in algebra
calculating with more than one variable

Example question types

substitute a value into an expression
evaluate a formula with two variables
use a negative input correctly

Negatives practice
Rounding practice
Fractions practice
Percentages practice
F / D / P practice
Ratio practice
Proportion practice
HCF / LCM practice

Duelling Mathematicians

Substitution

Player 1

Player 2

Example Question

About this topic

This topic covers

Example question types

Related practice