Math 7 Semester 1 Review

Front

How many meters would be in 30 seconds if the speed is 4 meters per second?

Back

120 meters

Front

When do you keep the first number, change to addition, and change the sign of the second number?

Back

Subtracting integers

Front

A skateboard originally sells for $200 and is on sale for $160. What is the percent decrease in price?

Back

20%

Front

Calculate (11 + 8) - (-5 + 9).

Back

15

Front

According to the graph, how much water is used in 4 minutes if the rate is 5 gallons per minute?

Back

20 gallons

Front

What is the formula for calculating percent decrease?

Back

Percent Decrease = (Original Price - Sale Price) / Original Price * 100

Front

What is the result of adding two negative integers?

Back

The result is a negative integer.

Front

What is the result of subtracting a negative integer from a positive integer?

Back

The result is greater than the positive integer.

Front

What is the order of operations in mathematics?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the value of the expression 3 * (4 + 5)?

Back

27