Grade 4 Addition and Subtraction

Front

What is the result of subtracting two numbers called?

Back

The result of subtracting two numbers is called the 'difference.'

Front

If Maggie practiced her flute for 100 minutes and Julia for 85 minutes, how do you find out how much longer Maggie practiced?

Back

To find out how much longer Maggie practiced, subtract Julia's practice time from Maggie's: 100 - 85 = 15 minutes.

Front

What is the process of finding out how many more items one person has than another called?

Back

This process is called 'finding the difference' or 'comparing quantities.'

Front

How do you calculate the total number of items made over two different time periods?

Back

To calculate the total number of items made, add the quantities from both time periods together.

Front

What is the term for the number you get when you add two or more numbers together?

Back

The term for the result of adding two or more numbers together is called the 'sum.'

Front

In the context of subtraction, what does the term 'minuend' refer to?

Back

The 'minuend' is the number from which another number (the subtrahend) is subtracted.

Front

What is the term for the number that is being subtracted in a subtraction problem?

Back

The number being subtracted is called the 'subtrahend.'

Front

If Trinity has 9,750 beads and has used 1,028 beads, how do you find out how many beads she has left?

Back

To find out how many beads Trinity has left, subtract the number of beads used from the total: 9,750 - 1,028 = 8,722 beads.

Front

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

Back

Understanding place value is important because it helps in accurately aligning numbers for addition and subtraction, ensuring correct calculations.

Front

How do you find the difference between two large numbers, such as 4,000 and 399?

Back

To find the difference, subtract the smaller number from the larger number: 4,000 - 399 = 3,601.