Determine the appropriate sign (?) according to the number line:
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Determine the appropriate sign (?) according to the number line:
First let's look at the number 0.55.
We'll add 0.1 to it in order to get 0.655.
This can be written as follows:
Looking at the numbers after the decimal point, we can observe that:
Which decimal number is greater?
You're absolutely right! When comparing decimals, 655 thousandths IS greater than 550 thousandths. The key is making sure both numbers have the same decimal places by adding zeros.
Adding zeros helps avoid mistakes! Writing makes it clear you're comparing 655 thousandths vs 550 thousandths, which is much easier to see.
Always line up the decimal points and add zeros to make them equal length. For example: 0.7 vs 0.65 becomes 0.70 vs 0.65, so 0.70 > 0.65.
Think of the symbols as hungry mouths - they always want to 'eat' the bigger number! So 0.655 > 0.55 because the mouth opens toward the larger number (0.655).
Absolutely! On a number line, numbers get larger as you move right. Since 0.655 would be positioned to the right of 0.55, we know .
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