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
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