4.5A Strip Diagram Equations

Front

What is a strip diagram?

Back

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

Front

What does addition mean?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What does subtraction mean?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

How do you represent 159 + 89 using a number sentence?

Back

The number sentence is 159 + 89 = ?.

Front

How do you represent 1,000 - 600 using a number sentence?

Back

The number sentence is 1,000 - 600 = ?.

Front

What is the equation for J if J = 90 + 30 + 10 + 5?

Back

The equation is J = 90 + 30 + 10 + 5.

Front

What is the number sentence for 471 - 133?

Back

The number sentence is 471 - 133 = ?.

Front

What is the purpose of a number sentence?

Back

A number sentence shows a mathematical relationship using numbers and operations.

Front

What is the relationship between addition and subtraction?

Back

Addition and subtraction are inverse operations; addition combines numbers while subtraction takes one number away from another.

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.