7th Grade Semester 1 Review

Front

Which equation represents this model?

Back

-7 + 10 = 3

Front

Which number sentence best represents the number line?

Back

6 + (-11)

Front

Olivier has $48.25 to spend on painting classes. Each class costs $6 plus a one-time registration fee of $6.25. Which equation represents the number of classes Olivier can attend for $48.25?

Back

6n + 6.25 = 48.25

Front

What is the absolute value of -|24|?

Back

-24

Front

What does a proportional relationship look like on a graph?

Back

A straight line that passes through the origin, (0,0).

Front

Define absolute value.

Back

The distance of a number from zero on the number line, regardless of direction.

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value, often denoted by letters like x or n.

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width.

Front

What does it mean for two quantities to be proportional?

Back

They maintain a constant ratio to each other.

Front

What is the equation of a straight line in slope-intercept form?

Back

y = mx + b, where m is the slope and b is the y-intercept.