A poster explaining expanded notation.
Hang this poster on the wall in your classroom when teaching students about expanded notation.
Expanded notation is writing a number to show the value of each digit. It represents a number as the sum of each of its digits multiplied by their place value (ones, tens, hundreds, etc.)
For example: 384 = 3 x 100 + 8 x 10 + 4 x 1
= 300 + 80 + 4
= 384
Compose and decompose numbers up to 100,000 as a sum of so many ten thousands, so many thousands, so many hundreds, so many tens, and so many ones using objects, pictorial models, and numbers, including expanded notation as appropriate;
Represent the value of the digit in whole numbers through 1,000,000,000 and decimals to the hundredths using expanded notation and numerals;
Represent the value of the digit in decimals through the thousandths using expanded notation and numerals;
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