Refresh your knowledge with these guides on place value and calculations with whole numbers. Write the numbers one underneath the other, lining up the units place value digits. Start on the left to ...

Discusses the importance of number systems, tracing their origins from early human counting methods using fingers to modern numeral systems. It explains the decimal system, place value, and how ...

Numbers are made of digits. Where a digit is placed in a number tells you what value the digit has. You can use place value headings, like ones, tens and hundreds, to help you understand the value of ...

Call me anal-retentive, but I find it more than a little ironic that a TED-Ed video about the importance of units, whole number place value, decimal place value, and fractions features an animation of ...