Strip Diagrams and Equations (+ - x)

Front

What is a strip diagram?

Back

A visual representation used to show the relationship between numbers in a problem, often using rectangles to represent quantities.

Front

What does the equation 349 - 137 = ? represent in a strip diagram?

Back

It shows the difference between two quantities, where 349 is the total and 137 is the part being taken away.

Front

What is the purpose of using equations in math?

Back

Equations are used to represent relationships between numbers and to solve problems.

Front

What does the equation 137 x 5 = J mean?

Back

It means that 137 is being multiplied by 5 to find the total number of items represented by J.

Front

How do you find the total number of items collected over multiple years?

Back

You can add the number of items collected each year together.

Front

What does the equation x = 4,688 - 784 - 1,009 represent?

Back

It represents finding the number of items collected in the third year by subtracting the first two years' collections from the total.

Front

What is the meaning of the variable 's' in the equation 8 x s = 72?

Back

The variable 's' represents the number of slices in each pizza.

Front

How do you find the number of slices per pizza if you know the total slices and the number of pizzas?

Back

You divide the total number of slices by the number of pizzas.

Front

What does the number 720 represent in the context of Zeke and Devin's blocks?

Back

It represents the total number of blocks that Devin has.

Front

What is the relationship between addition and subtraction in equations?

Back

Addition and subtraction are inverse operations; knowing one can help solve the other.