# Subtraction of Tens

We will learn subtraction of tens.

When we subtract 10 from a number, we take away only group of tens and there is no change in the digit in ones place.

Let us subtract 10 from 20.

Let us subtract 20 from 27.

1. Complete the following subtraction:

2. Find the difference of the following. One has been

 (i) T          O             7          0        -    1          0             6          0 (ii) T          O             5          5        -    3          0
 (iii) T          O             8          3        -    4          0 (iv) T          O             6          7        -    4          0
 (v) T          O             8          9        -    6          0 (vi) T          O             6          3        -    1          0
 (vii) T          O             5          0        -    2          0 (viii) T          O             7          0        -    6          0
 (ix) T          O             6          5        -    4          0 (x) T          O             9         9        -    7          0

3. Find the difference of the following. One has been done for you.

30 – 10 = 20

60 – 20 = _____

70 – 30 = _____

61 – 10 = _____

88 – 20 = _____

50 – 30 = _____

60 – 50 = _____

30 – 10 = _____

93 – 60 = _____

56 – 30 = _____

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