# #commonsph ## 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 Addition (usually signified by the plus symbol +) is one of the four basic operations of arithmetic, the other three being subtraction, multiplication and division. The addition of two whole numbers results in the total amount or sum of… Read More »Grade 2 Math | Addition III Whole Tens Addition (usually signified by the plus symbol +) is one of the four basic operations of arithmetic, the other three being subtraction, multiplication and division. The addition of two whole numbers results in the total amount or sum of… Read More »Grade 2 Math | Addition II  