Lesson Example Discussion Quiz: Class Homework |
Example |
Title: Subtraction |
Grade: 2-a Lesson: S4-L6 |
Explanation: The best way to understand subtraction is by looking at some examples. Take turns and read each example for easy understanding. |
Examples:
Subtract 910 - 80
Step 1a Subtract 910 - 80 |
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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 0 and 0 now subtract 0 - 0 = 0 and write 0 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 , 8 are in tens place, Subtracting 8 from 1 we subtract 8 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 - 8 = 3 now write this digit under tens place. |
Step 1d
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subtract the digits in hundreds place 8 - 0 = 8 now 910 - 80 = 830. |
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Explanation: We are subtracting 80 from 910, which equals to 830. |
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