Subtracting decimals with borrowing

Front

What is borrowing in subtraction?

Back

Borrowing in subtraction is a method used when the top digit is smaller than the bottom digit in a column. You 'borrow' 1 from the next left column to make the top digit larger.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point, subtract as you would with whole numbers, and place the decimal point in the answer directly below the other decimal points.

Front

What is the result of 42.9 - 32.83?

Back

10.07

Front

What is the result of 40 - 19.36?

Back

20.64

Front

What is the result of 80 - 50.009?

Back

29.991

Front

What is the result of 35.07 - 26.4?

Back

8.67

Front

What is the result of 60 - 35.2?

Back

24.8

Front

What does it mean to align decimal points?

Back

Aligning decimal points means to place the numbers so that the decimal points are in the same vertical line, making it easier to subtract.

Front

What is the first step in subtracting decimals?

Back

The first step is to line up the numbers by their decimal points.

Front

What do you do if you need to borrow from a column that has a zero?

Back

If you need to borrow from a column that has a zero, you must borrow from the next non-zero column to the left, turning that zero into a 10.