STAAR Math Review

Front

What is the formula to calculate the percentage of a budget spent on rent and groceries?

Back

Percentage = (Amount spent / Total income) x 100

Front

If Alberto’s monthly income is $3,200 and he spends 40% on rent and groceries, how much does he spend?

Back

$1,280

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object that is proportional to its actual size, using a specific ratio.

Front

If a building's height is 125 meters and it is represented as 25 centimeters in a scale drawing, what is the scale ratio?

Back

1:5 (125 meters to 25 centimeters) or 1 meter = 0.2 centimeters.

Front

What does the variable 'x' represent in the equation 250 + 65x = 575?

Back

'x' represents the number of hours Jeremy needs to travel at 65 miles per hour.

Front

How do you solve for 'x' in the equation 250 + 65x = 575?

Back

Subtract 250 from both sides, then divide by 65.

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions, showing that one is greater than, less than, or not equal to the other.

Front

What inequality represents the maximum number of boxes (x) that can be loaded into a truck with a weight limit?

Back

50x + 400 ≤ 1,600

Front

How do you determine if an equation is true for a given value of a variable?

Back

Substitute the value into the equation and check if both sides are equal.

Front

What is the solution to the equation 4(c + 2) = 20 when c = 3?

Back

True, because 4(3 + 2) = 20.