Working with huge numbers
Place value worksheets with exercises in composing and decomposing whole and decimal numbers, writing large numbers using scientific notation and rounding numbers.
Place value 

Write numbers in expanded form Write numbers in expanded form (12 digits) Write numbers in expanded notation 
7,252,014 = 
Place value & decimals 

3.75= 3x1 + 7x0.1 + 5x0.01 

Scientific notation 

62,000 = 6.2 x 10^{4}  
6.2 x 10^{4} = 62,000  
Rounding 

94,321 rounds to 94,000 