7th Grade Practice Test - Chapter 3

Front

What does 'ascending order' mean?

Back

Ascending order means arranging numbers from the smallest to the largest.

Front

Arrange the following in ascending order: 0.8, 2/3, 0.67, 70%.

Back

2/3, 0.67, 70%, 0.8.

Front

What is the sum of the fractions \( \frac{1}{4} + \frac{1}{5} \)?

Back

\( \frac{9}{20} \)

Front

How do you convert a fraction to a percentage?

Back

Multiply the fraction by 100 and add a percent sign.

Front

If Johnny gets 17 out of 18 on his quiz, how do you calculate his percentage grade?

Back

Percentage = (17/18) * 100 = 94%.

Front

What is an ordered pair in mathematics?

Back

An ordered pair is a pair of numbers used to locate a point on a coordinate plane, written as (x, y).

Front

What letter corresponds to the ordered pair (-1, 2) on a grid?

Back

G.

Front

What is the formula to find the average of a set of numbers?

Back

Average = (Sum of all numbers) / (Total count of numbers).

Front

What is the temperature if it decreases from -5°F by 8°F?

Back

-13°F.

Front

How do you find the least common denominator (LCD) of two fractions?

Back

The LCD is the smallest multiple that both denominators share.