WRITING EXPRESSIONS

12 MORE THAN A NUMBER

• 12 + N

• N - 12

• 12 < N

• 12 > N

A PLUMBER CHARGES $50 TO MAKE A HOUSE CALL PLUS $40 FOR EACH HOUR WORKED. WHAT IS THE EXPRESSION THAT REPRESENTS THIS?

• 50X + 40

• 50 + 40X

• 90X

• 50X + 40X

IF CHOCOLATE CHIP COOKIES COST $3.00 PER COOKIE PLUS $2 FOR BOXING THEM UP IN A DECORATED BOX, WHAT WOULD THE EXPRESSION BE?

• 3 + 2X

• 3X + 2X

• 3X +2

• 5X

WHAT COULD REPRESENT 7X + 2 = 30?

• BUYING PET TURTLES FOR $7 EACH PLUS TWO CANS OF TURTLE FOOD COST $30.

• TWO YOYOS PLUS SEVEN FRISBEES IS THIRTY CENTS.

• SEVEN BAGS OF CANDY PLUS 2 EXTRA SNICKERS BARS EQUALS 30 DOLLARS.

• BUYING SEVEN CALCULATORS PLUS $2 PER BUNDLE OF PENCILS IS $30.

SIX DECREASED BY TWICE A NUMBER

• 2X - 6

• 6 - X

• 6 < 2X

• 6 - 2X

YOUR CLASS WON THE DONUT PARTY. WHEN MRS. FORTENBERRY WENT TO PICK UP THE DONUTS, SHE WAS HAPPY TO FIND OUT THEY GAVE HER AN EDUCATOR DISCOUNT OF $3. MRS. FORTENBERRY SPENT $34.50 FOR DONUTS FOR YOUR CLASS OF 25 STUDENTS. HOW MUCH WAS EACH DONUT?

• $2

• $1

• $2.50

• $1.50

WHICH OPERATION SHOULD YOU USE WHEN THE PROBLEM HAS THE WORD: "AND"

• ADD

• SUBTRACT

• MULTIPLY

• DIVIDE

CHLOE WANTS TO KNOW WHICH WORD REPRESENTS THE OPERATION "ADD"

• COMBINED

• TIMES

• FEWER

• LESS THAN

WHAT IS A VARIABLE?

• A NUMBER THAT REPRESENTS AN UNKNOWN VALUE

• A LETTER THAT REPRESENTS AN UNKNOWN VALUE

• A CONSTANT IN AN EQUATION

• THE SOLUTION TO THE EQUATION

WHAT DO THE FOLLOWING TERMS MEAN:

IS

EQUAL

THE SAME AS

• +

• -

• X

• =