Review (Integers-Applications and Pemdas)

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but not a fraction or decimal.

Front

What does PEMDAS stand for?

Back

PEMDAS stands for Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). It is the order of operations used to solve mathematical expressions.

Front

How do you solve for a variable in an equation?

Back

To solve for a variable, isolate the variable on one side of the equation using inverse operations.

Front

What is the solution to the equation 19 + a = -50?

Back

a = -69

Front

If Owen made $800 and wants to save $500, how much can he spend?

Back

Owen can spend $300.

Front

How do you set up an equation to find out how many dinners Owen can afford?

Back

Set up the equation: 500 = 800 - 15x, where x is the number of dinners.

Front

What is the total cost of an Xbox One and 3 games if each game costs $24?

Back

Total cost = $150 + (3 * $24) = $222.

Front

How do you find the number of games Arjun and Priya need to buy for equal spending?

Back

Set up the equation: 150 + 24x = 178 + 20x and solve for x.

Front

What is the answer to the riddle 'What goes up but never comes down'?

Back

The answer is 'age'.

Front

How do you calculate the amount of money Lily had before her purchase?

Back

Add the cost of the sandwich to the remaining money: $8.24 + $7.71 = $15.95.