Perfect square numbers up to 1000?

There are 31 of them. You can find them easily on your own, like this:

-- On a piece of paper, write the numbers from 1 to 31 in a vertical column ...

down the side of the paper.

-- Start with ' 1 '. Multiply each number by itself, and write the result next to it.

-- Next to 1, you'll write '1'. Next to '2', you'll write '4'. Next to '3', you'll write '9'.

Keep going like that, one at a time, all the way down your list of numbers.

-- When you get down to 31, you'll write '961' next to it, and that'll be the biggest

perfect square number that's less than 1,000 . The next one is 1,024.