EQUATIONS YOU SAY Today is the day for equations to head our way Equations are math sentences with equal signs Left Right 4 1 5 Right Left 13 13 Left Right 10 2 8 Left Right 3 2 6 The equal sign separates an equation into two equal parts 4
For an equation to be true the value to the left must be equal to the value on the right Left 4 1 Right 5 4 1 5 5 5 You will soon see that balance is key 5
MATH VERSUS ALGEBRA Using math facts is the thing to do when the numbers and operations are given to you Math 6 1 7 6
The mystery has been solved Math becomes algebra when variables are involved Algebra 8 c 10 2 5 Check It Out Variables are letters or symbols in place of unknown numbers When using a letter as a variable it should always be written as a lower case letter Incorrect 3 Z 9 Correct 3 z 9 7