Math Problem Solving Flashcard

Front

What is the value of the expression if x=-3.2, y= 9.6, z= -4?

Back

-5.6

Front

If the perimeter of a rectangle is 54 cm and its length is 6 cm, what is its width?

Back

21 cm

Front

How do you calculate the constant of proportionality from a graph?

Back

Identify the ratio of the change in y to the change in x; for example, 200 meters per min.

Front

If a Black Panther lost 13.8 ounces of Vibranium and had 56.8 ounces left, how much did he have at the start?

Back

70.6 ounces

Front

How many shirts did Jenny purchase if she had $39, bought pants for $15, and shirts for $4 each?

Back

6 shirts

Front

What is the formula for the perimeter of a rectangle?

Back

P = 2(l + w), where l is length and w is width.

Front

What does the term 'constant of proportionality' mean?

Back

It is the constant ratio between two proportional quantities.

Front

How do you solve for x in the equation 4x + 15 = 39?

Back

Subtract 15 from both sides, then divide by 4; x = 6.

Front

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

Back

A = l × w, where l is length and w is width.

Front

What is the definition of perimeter?

Back

The total distance around a two-dimensional shape.