Mental Maths 1

The difference between 8.6m and 520cm is-----cm.

The addition of 5kg and 340g is----g.

Sharing $10,000 equally between five people is $-----.

The total of all the factors of 9 is -----.

Adding 20, 10 and 15 and double the answer is -----.

The side of the a square is 5 cm and its area is ----- cm².

Add the factors of 10 and double the result is -----.

40% of 300 is -----.

There are ----- cm in 3.45m.

The total sides of nonagon is -----.