3rd Grade-Unit 4- Place Value- Addition/Subtraction to 1000

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 345, the 3 is in the hundreds place, so it represents 300.

Front

How do you add two numbers together?

Back

To add two numbers, you start from the rightmost digit and move left, carrying over if the sum exceeds 10.

Front

What is the sum of 248 and 175?

Back

The sum of 248 and 175 is 423.

Front

What does rounding a number mean?

Back

Rounding a number means adjusting it to the nearest specified place value, such as the nearest ten or hundred.

Front

What is 245 rounded to the nearest hundred?

Back

245 rounded to the nearest hundred is 200.

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another.

Front

How do you find the difference between two numbers?

Back

To find the difference, subtract the smaller number from the larger number.

Front

What is the difference between 542 and 299?

Back

The difference between 542 and 299 is 243.

Front

What is an inequality?

Back

An inequality is a mathematical statement that shows the relationship between two expressions that are not equal.

Front

Which sign makes the statement true: 5 ___ 3?

Back

The correct sign is '>' (greater than), because 5 is greater than 3.