4th Grade Math Review

Front

What is expanded form?

Back

Expanded form is a way of writing numbers that shows the value of each digit. For example, 6,789 in expanded form is 6,000 + 700 + 80 + 9.

Front

How do you write 7,432 in expanded form?

Back

7,432 in expanded form is 7,000 + 400 + 30 + 2.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified place value, making it easier to work with. For example, rounding 52,678 to the nearest thousand gives 53,000.

Front

How do you arrange numbers from least to greatest?

Back

To arrange numbers from least to greatest, compare their values and order them starting from the smallest to the largest.

Front

What is the product of 47 and 23?

Back

The product of 47 and 23 is 1,081.

Front

What is the value of the digit 7 in the number 6,789?

Back

In the number 6,789, the digit 7 represents 700.

Front

What is the place value of the digit 3 in the number 7,432?

Back

In the number 7,432, the digit 3 is in the tens place, representing 30.

Front

How do you round 52,678 to the nearest hundred?

Back

To round 52,678 to the nearest hundred, look at the tens digit (7). Since it is 5 or more, round up to 52,700.

Front

What is the least number in the following set: 2,503, 2,305, 2,035, 2,350?

Back

The least number in the set is 2,035.

Front

What is the greatest number in the following set: 2,503, 2,305, 2,035, 2,350?

Back

The greatest number in the set is 2,503.