Adding and Subtracting within 1000

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

What is the sum of 486 and 293?

Back

The sum of 486 and 293 is 779.

Front

What is the difference when you subtract 344 from 412?

Back

The difference when you subtract 344 from 412 is 68.

Front

What is the sum of 432 and 328?

Back

The sum of 432 and 328 is 760.

Front

What is the sum of 852 and 496?

Back

The sum of 852 and 496 is 1348.

Front

What is the difference when you subtract 784 from 972?

Back

The difference when you subtract 784 from 972 is 188.

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals along its length, used to represent numbers visually.

Front

What does it mean to regroup in addition?

Back

Regrouping in addition means to carry over a value from one place value to the next when the sum exceeds 10.

Front

What does it mean to borrow in subtraction?

Back

Borrowing in subtraction means to take a value from the next higher place value when the top digit is smaller than the bottom digit.