Unit 3- 7th Grade Prerequisite Skills Assessment

Front

What is the process to convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 56% becomes 0.56.

Front

How do you calculate the number of successful attempts based on a percentage?

Back

To find the number of successful attempts, multiply the total attempts by the percentage (in decimal form). For example, 90% of 50 attempts is calculated as 0.90 * 50 = 45.

Front

What are coordinates in a Cartesian plane?

Back

Coordinates are a pair of numbers that define a point's position on a Cartesian plane, represented as (x, y). For example, (0, 2) indicates the point is at x=0 and y=2.

Front

How do you calculate the unit price of an item?

Back

To calculate the unit price, divide the total cost by the number of items. For example, if 25 pieces cost $2.00, the unit price is $2.00 / 25 = $0.08 each.

Front

What is the formula for finding the total cost of multiple items?

Back

The total cost can be found by multiplying the unit price by the number of items purchased. For example, if one pen costs $0.20, then 10 pens cost 10 * $0.20 = $2.00.

Front

What does it mean to express a number as a decimal?

Back

Expressing a number as a decimal means converting it from a fraction or percentage into a base-10 format, which is easier to work with in calculations.

Front

How do you find a percentage of a number?

Back

To find a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 25% of 200, calculate 200 * 0.25 = 50.

Front

What is the significance of the x-coordinate in a point?

Back

The x-coordinate indicates the horizontal position of a point on the Cartesian plane, showing how far left or right the point is from the origin.

Front

What is the significance of the y-coordinate in a point?

Back

The y-coordinate indicates the vertical position of a point on the Cartesian plane, showing how far up or down the point is from the origin.

Front

How do you interpret the results of a percentage calculation in a real-world context?

Back

Interpreting percentage results involves understanding what the percentage represents in a real-world scenario, such as success rates, discounts, or proportions.