Developing Proficiency with Addition and Subtraction
... This property says that you can group numbers in whatever order you want when adding. ...
... This property says that you can group numbers in whatever order you want when adding. ...
Square Numbers
... Square Numbers: Times a number by itself to give a square number. Can also form a square from it. Square numbers: 1,4,9,16,25,36,49,64,81,100 3x3=9 so 9 is a square number. 4x4=16 so 16 is a square number. Shown as 42 =16 Cube Numbers: Times a number by itself and then itself again. ...
... Square Numbers: Times a number by itself to give a square number. Can also form a square from it. Square numbers: 1,4,9,16,25,36,49,64,81,100 3x3=9 so 9 is a square number. 4x4=16 so 16 is a square number. Shown as 42 =16 Cube Numbers: Times a number by itself and then itself again. ...
