4th Grade ACAP Prep

Front

What is rounding?

Back

Rounding is the process of adjusting a number to the nearest specified place value, such as the nearest ten, hundred, or whole number.

Front

How do you round a number to the nearest ten?

Back

To round a number to the nearest ten, look at the digit in the ones place. If it is 5 or greater, round up. If it is less than 5, round down.

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 difference between two lengths?

Back

To find the difference between two lengths, subtract the shorter length from the longer length.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/2.

Front

How do you subtract mixed numbers?

Back

To subtract mixed numbers, first subtract the whole numbers, then subtract the fractions. If needed, borrow from the whole number.

Front

What is a decimal?

Back

A decimal is a way of representing fractions using a point (.) to separate the whole number from the fractional part.

Front

How do you compare decimals?

Back

To compare decimals, align the decimal points and compare digit by digit from left to right.

Front

What is the nearest hundred?

Back

The nearest hundred is the closest multiple of 100 to a given number.

Front

How do you round a number to the nearest hundred?

Back

To round to the nearest hundred, look at the digit in the tens place. If it is 5 or greater, round up. If it is less than 5, round down.