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Place Value And Forms Of Numbers

Name _____________________________________________ Date _______ Periods _______

Unit One Review (Place value topics and whole number addition/subtraction)

Place Value and Forms of Numbers:

 Standard form – uses normal everyday numbers – this is the most common way of

writing numbers (705,381)

 Expanded form – shows the value of each digit in the form of an addition problem

(700,000 + 5,000 + 300 + 80 + 1)

 Word form – uses words to express the number – the words that are written are exactly

the same as the words you say when reading a number orally (seven hundred five

thousand, three hundred eighty one)

 Place Value – is named by the position of the digit within the number – this is a word,

not a number (45,629 – the place value of the 6 is the hundreds place)

 Value – is determined by the position of the digit within the number – this is a number,

how much the digit is worth (45,629 – the value of the 6 is 600)

Practice questions:

1.) Write the number 83,401 in expanded and word form.

________________________________________________________________________

2.) Write 8,000,000 + 40,000 + 3,000 + 200 + 5 in standard and word form.

________________________________________________________________________

3.) What is the value of the 6 in 645,103? _____________________________

Place Value And Forms Of Numbers