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Subtraction On Number LineCovid19 has led the world to go through a phenomenal transition . Elearning is the future today. Stay Home , Stay Safe and keep learning!!! Subtraction on number line is used only for small numbers. It is bit harder than the addition. In this method child get to know the meaning of subtraction. This is a play way method so child can learn it easily. Also visualizing methods are always better than the usual method.In subtraction, the first number is called minuend and the 2nd number is called subtrahend . While doing subtraction, we get a smaller answer than the first number. The answer is greater than the second number. For example : 5 – 2 = 3 ⇒ 3 is less than 5 (3 < 5) but 3 is greater than 2 (3 >2). Previously we have seen that in addition on number line that from the given number we go forward, but here we have to do exactly opposite of it. As addition and subtraction are two opposite operations. During subtraction we jump to left side by one step. Steps involved in subtraction of number on number line. • Draw a number line starting from zero. • Mark the first given number. • From the mark number go backward (or left side) by the 2nd given digit. • That gives you the answer of subtraction. Example : 1) 8 – 5 Solution : Draw a number line up to say 15. Mark 8 on it. As the 2nd number is 5 and we are doing subtraction, so go 5 steps to left side from 8. So the answer of 8 – 5 is 3. 2) 10 – 8 Solution : Draw a number line up to say 15. Mark 10 on it. As the 2nd number is 8 and we are doing subtraction, so go 8 steps to left side from 10. So the answer of 10 – 8 is 2. 1st Grade Math Home Covid19 has affected physical interactions between people. Don't let it affect your learning.
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