MATH DOG: Place Value & Expanded Form Game

GAME INFO
MATH DOG (Place value, expanded form) is an educatoinal game online of place value and number expressions with exponentials (scientific notation). The Mathnook educational math game has 3 distinct levels. You must help the math dog to choose the correct answer. At the simplest level, determine the sum of thousands, hundreds and ones, to review the concept of place value. At the medium level, it determines which sum of products expression is correct, and at the most difficult level, the expressions and possible solutions are in scientific notation format, with exponential expressions (powers of 10). Therefore, this game can work with children of a wide age range, depending on the difficulty, from 6 to 12 years old.