SaiBook.us Subtraction

Example

Title: Subtraction

Grade: 2-a Lesson: S2-L2

Explanation: The best way to understand subtraction is by looking at some examples. Take turns and read each example for easy understanding.

Examples:

Subtract 339 from 45

Step 1a

Subtract 339 - 45

To begin, subtract from the units place.

$1a$

Explanation: Arrange the numbers as follows: The digits in the units place are 9 and 5. Now subtarct 9 - 5 = 4. and write 4 in the units place.

Step 1b

Subtract the digit in the tens place from the tens digit.

$1b$

Explanation: 3 , 4 are in tens place, take 1 borrow from hundreds place because 3 is less than 4.

Step 1c

Let’s subtract the values in the tens place.

$1c$

Explanation: Now write this digit under tens place 13 - 4 = 9.

Step 1d

Subtract the digits in hundreds place 2 - 0 = 2. Now 339 - 45 = 294.

$1d$

Explanation: We are subtracting 45 from 339, which equals to 294.