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School was seriously so hard today... I wonder if I can get anyone to help me...
Hello there! My name is Math Man and I help students with math!
That is awesome! I really need help with rounding decimals!
First thing you need to know is the place values of any number. For example, can you tell me what place value every number is in 123.456?
The 1 is in the hundreds place, the 2 is in the tens place, the three is in the ones place, the 4 is in the tenths place, the 5 is in the hundredths place and the 6 is in the thousandths place!
That's correct! Now, to round we need to look at the number to the right of the place we are rounding to.
Ok! I think I remember my teacher saying if it's 4 or less it remains the same and 5 or more it rounds up!
That is correct again! So if I want to round 43 to the tens place I look at the 3 and since it is less than 5 we leave the 4 in the tens place because it remains the same so I get an answer of 40!
That makes sense! What if the number is 0.239 and I need to round to the hundredths place?
Well you need to look at the 9 that's in the thousandths place and see that it's 5 or greater so the number in the hundredths place bumps up from 3 to 4. This leaves you with the answer of 0.24!
Thank you so much Math Man! I think I'm ready to do my homework!
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