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Math chapter 1 vocabulary
estimate - a number close to an exact number.
expanded form - way to write numbers by showing the value of each digit. round - to replace a number with another number that tells about how much or how many word form - a way to write numbers by using words. order - a particular arrangement or placement of things one after the other. |
period - each group of three digits separated by commas in a multi-digit number.
standard form - a way to write numbers by using the digits 0-9 with each digit having a place value. compare - to describe whether numbers are equal to, less than, or greater than each other place value - the value of a digit in a number, based on the location of the digit. |
Here are two great music videos to help you remember the rules for rounding.
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Check out this video on estimating sums and differences.
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