EDUCATION

Zoe Samuel

5 Min Quiz

What is 833 + 484?

An odd and an even number always make an odd number.

What is 728 + 147?

An odd and an even? That's an odd.

It's 1000 again.

What is 484 + 0.01?

We're down into the hundredths. Technically, this is still a triple-digit number, it's just much smaller than some.

What is 19.3 + 833?

Oh, those cheeky decimals! Here they are working together with an integer to mess with your head.

What is 501 + 499?

The right answer is 1000 flat.

What is 100 + 1.00?

We fooled you with the decimal ... or did we? That's right, we're getting into decimals now.

What is 2.02 + 2.12?

That's right, if you have a 2 and another 2, the answer has to be over 4. You don't even need to look after the decimals.

What is 9.24 + 82.3?

This looks like it should end in an odd number but actually it doesn't have to. That's because .3 is really .30.

What is 2.33 + 10.1?

One of these is to one decimal place, the other to two. That's confusing unless you are on the ball.

What is 5.43 + 300?

It's an integer plus a decimal, so of course it can't be a round number. You just have to think of the integer as having .00 after it.

What is 294 + 6.00?

300 is a round number and anything ending .00 is a round number.

What is 4.53 + 9.99?

More tricky decimals! But here it's still a fairly simple business to add them up.

What is 3.12 + 1.09?

They're little numbers so the answer is little!

What is -712 + -274?

Two negatives, so you just go all the way negative!

What is -284 + 101?

Even though some progress was made back towards 0, it's still negative!

What is -100 + -101?

Did you notice the negative signs? If you did, you'll have gotten the right answer.

What is -342 + 733?

There's one positive and one negative number here, so you just deduct the negative from the positive.

What is -377 + -223?

It's two negative numbers here. So you just add them together and put a minus sign in front of it!

Image: PCH