We are able to test subtraction by including the distinction to the smaller quantity. Allow us to see how.

Instance:

For the reason that sum of distinction and smaller quantity is the same as the bigger quantity, subtraction is right.

This technique additionally works with sums that want regrouping.

Extra examples on Test subtraction utilizing addition

Discover the distinction and test your solutions utilizing addition:

1. 82 – 48

Answer:

Let’s attempt to subtract 48 from 82.

Subsequently, the distinction is 34.

Now test the subtraction is right or not.

So, we add add distinction (34) and subtrahend (48). If the sum is the same as the minuend (82) then the the subtraction is right.

Subsequently, the sum (82) is the same as the minuend (82).

Thus, we will say that the subtraction is right! 

2. Subtract 24 from 59.

Answer:

For the reason that sum of distinction (35) and smaller quantity (24) is the same as the bigger quantity (59), subtraction is right.

1. Questions and Solutions on Checking Subtraction utilizing Addition:

(i) 74 – 59

(ii) 60 – 25 

(iii) 32 – 19

(iv) 91 – 20

(v) 81- 38

(vi) 64 – 27

(vii) 72 – 38

(viii) 96 – 84

(ix) 45 – 31

(x) 81 – 56

Reply:

1. (i) 15

(ii) 35

(iii) 13

(iv) 71

(v) 43

(vi) 37

(vii) 34

(viii) 12

(ix) 14

(x) 25

2nd Grade Math Observe

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