Harder mental addition

Mental addition using large numbers.

Popular Resources

Have a look at some of our popular resources in this category.

Preview of game Decimals that total 1 (3dp)

Decimals that total 1 (3dp)

Decimals that total 1 (3dp)

Calculate how many is needed to total 1.

Preview of game Add hundreds of thousands

Add hundreds of thousands

Add hundreds of thousands

Add these large numbers.

Preview of game Add a multiple of 10,000 to make 1,000,000

Add a multiple of 10,000 to make 1,000,000

Add a multiple of 10,000 to make 1,000,000

Add a multiple of 10,000 to make 1,000,000.

Preview of game Add these multiples of one million

Add these multiples of one million

Add these multiples of one million

Add these multiples of one million.

Preview of game Add a multiple of 1,000 to make 100,000

Add a multiple of 1,000 to make 100,000

Add a multiple of 1,000 to make 100,000

Add a multiple of 1,000 to make 100,000.

Preview of game Add 2 multiples of 10,000 (6-digit numbers)

Add 2 multiples of 10,000 (6-digit numbers)

Add 2 multiples of 10,000 (6-digit numbers)

Add two 6-digit multiples of 10,000.

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