7th Grade Practice Test - Chapter 3

Front

Back

-5

Front

Back

-15

Front

What is the formula for the area of a trapezoid?

Back

Area = \frac{1}{2} \times (b_1 + b_2) \times h, where b_1 and b_2 are the lengths of the two bases and h is the height.

Front

If the temperature is -5°F and it decreases by 8°F, what is the new temperature?

Back

-13°F

Front

How do you compare absolute values: |13| and |-14|?

Back

|13| < |-14| because 13 < 14.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

What is the area of a rectangle with length 10 ft and width 5 ft?

Back

Area = length × width = 10 ft × 5 ft = 50 ft².

Front

What is the formula for finding the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

Back

-15

Front

What is the difference between positive and negative numbers?

Back

Positive numbers are greater than zero, while negative numbers are less than zero.