Review 1

Front

What is the distributive property in mathematics?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a number by a sum by distributing the multiplication over each addend.

Front

What is an additive inverse?

Back

An additive inverse of a number is a value that, when added to the original number, results in zero. For example, the additive inverse of 5 is -5.

Front

Solve for x: 5(x + 6) = ?

Back

5x + 30

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, | -7 | = 7.

Front

What is the difference between positive and negative numbers?

Back

Positive numbers are greater than zero, while negative numbers are less than zero. They are used to represent values above and below a reference point.

Front

If a fish is swimming 7 feet below the water's surface and a turtle is swimming 2 feet below, how do you find the difference in their depths?

Back

You subtract the turtle's depth from the fish's depth: -7 - (-2) = -7 + 2 = -5 feet. The difference is 5 feet.

Front

Calculate the total ounces of applesauce consumed in one year if a child eats 3.2 ounces per meal and has 2 meals per week.

Back

3.2 oz/meal * 2 meals/week * 52 weeks/year = 332.8 oz.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is a mathematical expression?

Back

A mathematical expression is a combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

Front

What is the sum of -7 and 10?

Back

-7 + 10 = 3.