Fall Semester Test Review

Front

What is the difference between high and low temperatures?

Back

The difference is calculated by subtracting the low temperature from the high temperature. For example, if the high is 4 degrees and the low is -7 degrees, the difference is 4 - (-7) = 11 degrees.

Front

What is a ratio?

Back

Front

How do you calculate a fraction of a quantity?

Back

Front

What is an equivalent ratio?

Back

Front

What is a number sentence?

Back

A number sentence is a mathematical statement that includes numbers, operations, and an equality or inequality sign. For example, -2 + 5 = 3 is a number sentence.

Front

How do you find the total number of items in a ratio?

Back

To find the total number of items in a ratio, add the parts of the ratio together. For example, if there are 7 blue markers and 10 red markers, the total is 7 + 10 = 17 markers.

Front

What does it mean to simplify a fraction?

Back

Front

What is the process to solve for an unknown in a number sentence?

Back

To solve for an unknown in a number sentence, isolate the variable by performing inverse operations. For example, in the equation x + 5 = 10, subtract 5 from both sides to find x = 5.

Front

What is the significance of negative numbers in temperature?

Back

Negative numbers in temperature indicate temperatures below zero degrees, which is the freezing point of water. For example, -7 degrees is 7 degrees below zero.

Front

How do you express a ratio in fraction form?

Back