Steply

Compare 70 and 17

Step by step, with the reason for every step · More, less, the same · Elementary

Step by step

The question

Question: compare 70 and 17.

Which is more?

Compare 70 and 17

1 Show the tens and ones

70 is 7 tens and 0 ones.

17 is 1 ten and 7 ones.

2 Compare the tens

Look at the tens first.

7 tens is greater than 1 ten.

So 70 is more.

7 tens > 1 ten

3 Write it with a sign

70 is greater than 17.

We write 70 > 17.

70 > 17

The sign < means less than.

The sign > means greater than.

Greater means more.

The open side faces the bigger number.

< less than
> greater than

Careful!

17 has more ones.

But the tens count more.

7 tens is more than 1 ten.

Careful: not 70 < 17 ✗

4 Check

On the number line, bigger numbers are to the right.

Yes!

It works.

70 is right of 17

Let's look back.

First: show the tens and ones.

Then: compare the tens.

Then: write it with a sign.

Last: check.

Answer
Careful: not 70 < 17 ✗

Your turn

Try this one yourself, then check:

Compare 23 and 9
Show the answer
23 > 9

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