Unit 3 Lesson 19

Front

What is a tape diagram?

Back

A tape diagram is a visual representation used to solve problems by showing the relationship between different quantities.

Front

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

Back

It represents a situation where Peter bought 6 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 does the equation ? + 7 x 7 = 444 mean?

Back

It means that if you add 7 times 7 to some unknown number, the result is 444.

Front

How do you solve the equation 205 - 40 - 60 = N?

Back

You subtract 40 and 60 from 205 to find N, which equals 105.

Front

What is the goal of a word problem?

Back

The goal is to understand the situation described and find a solution using mathematical operations.

Front

What does the term 'unknown number' mean in math?

Back

An unknown number is a value that we do not know yet and is often represented by a symbol like _ or N.

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents repeated addition of the same number.

Front

What is the purpose of using equations in math?

Back

Equations are used to show relationships between numbers and to solve for unknown values.

Front

What does it mean to solve for N in an equation?

Back

To solve for N means to find the value of N that makes the equation true.