6th grade Review

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, 37% becomes 0.37.

Front

How do you simplify the expression 36a + 12 - 6a - 7?

Back

Combine like terms: (36a - 6a) + (12 - 7) = 30a + 5.

Front

What is a dot plot and how is it used to represent data?

Back

A dot plot is a statistical chart that consists of dots plotted on a number line. Each dot represents one data point, making it easy to visualize the distribution of data.

Front

How do you translate the phrase '7 more than a number' into an algebraic expression?

Back

The phrase '7 more than a number' can be expressed as c + 7, where c represents the unknown number.

Front

What is the formula for calculating the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width (Area = length × width).

Front

What is the significance of combining like terms in algebra?

Back

Combining like terms simplifies expressions, making them easier to work with and understand.

Front

How do you find the area of a shape when given its dimensions?

Back

To find the area, use the appropriate formula for the shape (e.g., Area = length × width for rectangles, Area = πr² for circles) and substitute the given dimensions.

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

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers, variables, and operations without an equality sign, while an equation states that two expressions are equal.

Front

How can you represent a real-world situation using algebraic expressions?

Back

You can represent real-world situations by identifying quantities and relationships, then translating them into algebraic expressions using variables.