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Rounding Giving an approximate value to a number – About how much a number is worth The names of the place of each digit in a number Place value Digit Value The digits are represented as 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. The number 10 is a 2 digit number Value tells what a digit is worth in its place – a 6 in the thousands place is worth 6,000 A combination of digits put together Number The way you typically see a number – ex – 496 Standard form Expanded form Word form Numbers stretched out to show the value of each digit – ex - 400+90+6 Numbers written out in words – ex – four hundred ninety-six Compare Greater than Less than Determining the similarity or difference of numbers. To compare numbers, you always start in the largest place value The first number in a comparison is larger than the second – ex – 364>346 The first number in a comparison is smaller than the second – ex – 346<364 The two numbers being compared are the same – ex - 346=346 Equal to