End of Unit 2 Test

Front

What is the difference between two numbers?

Back

The difference is the result of subtracting one number from another.

Front

How do you find the total number of items after adding and subtracting?

Back

You add the items collected and then subtract the items given away.

Front

What is a strip diagram?

Back

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

Front

What equation can be used to find the total after giving some away and finding more?

Back

The equation is: Total - Given + Found = Current Total.

Front

What is the sum of two numbers?

Back

The sum is the result of adding two or more numbers together.

Front

How do you represent a problem with an equation?

Back

You can use variables to represent unknowns and write an equation that describes the relationship.

Front

What does it mean to collect items?

Back

To collect items means to gather or accumulate them over time.

Front

What is the process of subtraction?

Back

Subtraction is the operation of finding the difference between two numbers.

Front

What is the importance of understanding place value in addition and subtraction?

Back

Place value helps in aligning numbers correctly for accurate addition and subtraction.

Front

How can you check your work after solving a math problem?

Back

You can check your work by reversing the operation, such as adding back the subtracted number.