A selection of our very best maths resources entirely free, updated each month.
Available for everyone, even expired accounts.
Develop mental skills to ensure fast, accurate calculating.
What do you need to add to the multiple of ten to make 1,000?
What do you need to add to the multiple of 100 to make 10,000?
Add the small numbers together.
Add the decimal numbers together.
Harder mental addition of 2 and 3-digit numbers.
Add a multiple of 1,000 to a 6-digit number.
Add a multiple of 10,000 to a 6-digit number.
Add a multiple of 100,000 to a 6-digit number.
Add two multiples of 1,000.
Add two multiples of 10,000.
Find the missing digit.
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