Unit 3 Lesson 19

Front

What is a tape diagram?

Back

A tape diagram is a visual representation of a mathematical problem that uses rectangles to show the relationships between different quantities.

Front

What does the equation 6 x 6 + N = 218 represent?

Back

It represents a situation where Peter bought six packs of Pokemon cards, each containing 6 cards, and now has a total of 218 cards.

Front

What is the solution to the equation 4 x _ = 0?

Back

The solution is 0, because any number multiplied by 0 equals 0.

Front

What is the solution to the equation 7 = _ x 7?

Back

The solution is 1, because 1 multiplied by 7 equals 7.

Front

What is the result of 205 - 40 - 60?

Back

The result is 105.

Front

What does the equation ? + 7 x 7 = 444 mean?

Back

It means that if you add 7 times 7 to some unknown number, you will get 444.

Front

What is the goal of a word problem?

Back

The goal of a word problem is to translate a real-life situation into a mathematical equation to find a solution.

Front

How do you find the unknown in an equation?

Back

You isolate the unknown variable by performing inverse operations on both sides of the equation.

Front

What is the meaning of the term 'unknown' in mathematics?

Back

An unknown is a value in an equation that we do not know yet and need to solve for.

Front

What is the purpose of using equations in problem-solving?

Back

Equations help us represent relationships between quantities and find unknown values.