Mental arithmetic level 3

These are not interactive exercises -you need pen and paper to write your answers down.

Multiplication
with negatives

Multiplication
of fractions

Percentages

Expanding brackets

Using negative numbers
in formulae

Division
of fractions

Comparing numbers

Factorising

Negatives (mix)

Fractions (mix)

Simplifying an expression

Solutions to equations

Simplifying
fractions

Powers
without negative numbers

Powers

Substitutions
without negative numbers

Substitutions

Simple equations

Addition
and subraction
of fractions

Scientific notation

Simple expansions

Solving equations