Mental arithmetic level 1

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

Adding two whole numbers

Adding and subracting with a number
ending in '9'

Dividing
whole numbers
by 10, 100, ...

Multiplying decimals
by 0.1, 0.01,....

Subracting two whole numbers

Multiplying and dividing by 10 and 100

Comparing two decimals

Multiplying one whole number by one decimal

Multiplication Tables

Multiplying
two whole numbers

Adding
two decimal numbers

Multiplying
two decimal numbers

Whole number division

Multiplying by '5'

Subracting
two decimals

Dividing decimals
by 10, 100,...

Division with remainders

Decimals and fractions

Multiplying decimals by 10, 100, ...

Writing fractions