Addition and subtraction Progress

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 37 and 23?

Back

60

Front

What is the sum of 23 and 48?

Back

71

Front

What is the sum of 947 and 856?

Back

1,803

Front

What is 76 minus 28?

Back

48

Front

What is 76 minus 39?

Back

37

Front

What is a number line?

Back

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

Front

What does it mean to 'carry' in addition?

Back

Carrying is a method used in addition when the sum of digits in a column exceeds 9, moving the extra value to the next column.

Front

What does it mean to 'borrow' in subtraction?

Back

Borrowing is a method used in subtraction when a digit in the top number is smaller than the digit below it, taking from the next column.