Elementary Math 3/1

Numbers (to ten)
A number is a symbol that represents how many objects there are in a set.

A number can be written as a symbol (1, 2, 3, 4, 5, 6, 7 ...) or a word (one, two, three, four, five, six, seven ...)

 1,  "one"    -

 2, "two"  -

 3, "three"  -

 4, "four"  -

 5, "five"  -

 6, "six"  -

 7, "seven"  -

 8, "eight"  -

 9, "nine"  -

 10, "ten"  -

Math Symbols
Plus sign (+)  +  The addition symbol tells you to combine the two numbers on either side. 2 + 2 is the same as saying "two plus two" Minus sign (-)  -  The subtraction symbol tells you to take away the number on the right from the number on the left. 2 - 1 is the same as saying "two minus one"