7th Grade Math

Front

What equation represents the amount Javier needs to save to buy the IPOD if he has saved $55 and the IPOD costs $145?

Back

55 + x = 145

Front

What equation can be used to find the number of teddy bears (t) the company has to sell in one day to equal its daily cost of $1500 plus $8 per bear, if they sell each bear for $12?

Back

1500 + 8t = 12t

Front

What is the solution to the inequality 10 ≥ x - 3?

Back

x ≤ 13

Front

Solve for t: 6t + 4 ≤ -2.

Back

t ≤ -1

Front

If 472 students are going on a field trip and 120 are returning home, how many cabins are needed if each cabin sleeps 8 people?

Back

44 cabins

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the purpose of an inequality?

Back

To show the relationship between two expressions that are not necessarily equal.

Front

What is the formula for calculating the total cost if a fixed cost is $1500 and a variable cost is $8 per item sold?

Back

Total Cost = Fixed Cost + (Variable Cost × Number of Items)

Front

What does the term 'like terms' mean in algebra?

Back

Terms that have the same variable raised to the same power.