Lesson Example Discussion Quiz: Class Homework |
Example |
Title: Subtraction |
Grade: 2-a Lesson: S4-L3 |
Explanation: The best way to understand subtraction is by looking at some examples. Take turns and read each example for easy understanding. |
Examples:
Subtract 819 - 45
Step 1a Subtract 819 - 45 |
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To begin, subtract from the units place. |
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Explanation: Arrange the numbers as follows: The digits in the units place are 9 and 4 now subtract 9 - 5 = 4 and write 4 in the units place. |
Step 1b
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Subtract the digit in the tens place from the tens digit. |
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Explanation: 1, 4 are in tens place, Subtracting 4 from 1 we subtract 4 from 11(since we take a burrow from hundreds place). |
Step 1c
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Let’s subtract the values in the tens place. |
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Explanation: 11 - 4 = 7 now write this digit under tens place. |
Step 1d
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subtract the digits in hundreds place 7 - 0 = 7 now 819 - 45 = 774. |
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Explanation: We are subtracting 45 from 819, which equals to 774. |
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