Vocabulary
+, -, ÷, x
Are called what in an Expression or Equation:
Write the Expression for:
4 less than a number
x - 4
Write an equation for the following:
Ms. Harris made 46 brownies for a birthday party. After the guests ate a certain amount, y, of brownies. Ms. Harris has 12 left over.
46 - y = 12
The word "fewer" means what operation in an Expression or Equation.
Write the Expression for:
The sum of a number and 36.
x + 36
Write an equation for the following:
Toby has 100 marbles in his collection. His sister takes x marbles. Toby is left with 2 marbles.
12 - x = 2
Another word for numbers used in expressions and equations.
Constant
If you see "fair share" or "split equally" what operation should you be completing?
Write the Expression for:
The quotient of 56 and a number.
56 / x OR 56 ÷ x
Write an equation for the following:
Rhonda buys t packs of oatmeal cream pies at the store. Each pack contains 12 oatmeal cream pies. She ended up with 48 oatmeal cream pies.
12t = 48
Product means what type of operation?
A group of friends goes out to dinner, and the total bill comes to x dollars. If there are 4 people in the group and they split the bill equally, write an expression for how much each person pays.
x /4 OR x ÷ 4
Writing an Equation for the following:
Lacy has 14 baseball cards. Her brother gives her k more. Lacy now has 79 cards.
14 + k = 79
The type of math where numbers and symbols are used to formulate expressions and equations?
Algebra
If you see the word "difference" what operation should you be completing?
Subtraction
Katie has 12 fewer dollars than Julia has. If d equals the amount of money Julia has, write an expression for the amount of money Katie has.
d-12
Write an Equation for the following:
Stacy has 25 pieces of candy that she wants to split equally between her s friends. She is left with 5 pieces of candy.
25 / s = 5