Addition and Subtraction Strip Diagrams

Front

What is a strip diagram?

Back

A strip diagram is a visual representation used to show the relationship between numbers in addition and subtraction problems.

Front

What does the equation 400 - 206 = D represent in a strip diagram?

Back

It shows that when you take away 206 from 400, you find the value of D.

Front

How do you solve the equation 86 - 26 = P?

Back

Subtract 26 from 86 to find the value of P.

Front

What is the purpose of using equations with strip diagrams?

Back

They help to visualize and solve addition and subtraction problems.

Front

What does the equation 1,000 - 600 = M indicate?

Back

It indicates that M is the result of subtracting 600 from 1,000.

Front

How can you express the total of 33 + 44 + S = 100 in a strip diagram?

Back

It shows that the sum of 33 and 44 plus S equals 100.

Front

What does F represent in the equation 22 + 21 + 20 = F?

Back

F represents the total sum of 22, 21, and 20.

Front

What is the first step in solving a strip diagram problem?

Back

Identify the numbers involved and the operation needed (addition or subtraction).

Front

What does the term 'equation' mean?

Back

An equation is a mathematical statement that shows the equality of two expressions.

Front

How do you find the missing value in an equation like 400 + 206 = D?

Back

Add 400 and 206 to find the value of D.