# Math Activities ## Grade 4 Math | Expanded Form

The expanded form of a number writes it as a sum, with each digit makes an individual term multiplied by its place value.Expanded form or expanded notation is a way… Read More »Grade 4 Math | Expanded Form ## Grade 4 Math | Place Value II

Positional notation (or place-value notation, or positional numeral system) denotes usually the extension to any base of the Hindu–Arabic numeral system (or decimal system). More generally, a positional system is a numeral system… Read More »Grade 4 Math | Place Value II ## Grade 4 Math | Place Value

Place value is the value of each digit in a number.  For example, the 5 in 350 represents 5 tens, or 50; however, the 5… Read More »Grade 4 Math | Place Value ## Grade 6 Math | Multiplication

Multiplication (often denoted by the cross symbol ×, by the mid-line dot operator ⋅, by juxtaposition, or, on computers, by an asterisk *) is one of the four elementary mathematical operations of arithmetic, with the other ones… Read More »Grade 6 Math | Multiplication 