Step by step
The question
Question: compare 12 and 9.
Which is more?
Compare 12 and 9
1 Make two rows
2 Match them up
Match each red dot with a blue dot.
3 Write it with a sign
12 is greater than 9.
We write 12 > 9.
12 > 9
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!
The open side faces the bigger number.
12 is bigger.
Careful: not 12 < 9 ✗
4 Check
On the number line, bigger numbers are to the right.
Yes!
It works.
12 is right of 9
Let's look back.
First: make two rows.
Then: match them up.
Then: write it with a sign.
Last: check.
Answer
Careful: not 12 < 9 ✗