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In subtracting 1-digit quantity we are going to
subtract or minus one-digit quantity from one-digit quantity or one-digit quantity from 2-digit quantity and discover the distinction between them.
We all know that subtraction means to take away a set of objects from a set.
We use – signal to remove
9 – 6 = 3
We are saying that distinction between 9 and 6 is 3.
After we subtract 0 from a quantity, the quantity stays the identical.
After we subtract the quantity from itself we get 0.
If from six issues we take away 2 issues, then 4 issues are left. In arithmetic that is written in a brief method as follows:
6 – 2 = 4
The image – known as the minus signal and exhibits that the quantity written after it’s to be subtracted, or taken away, from the quantity written earlier than it.
We might learn 6 – 2 = 4 as ‘six minus two is the same as 4’ or ‘six much less two is 4’.
We’ve got learnt that we are able to subtract numbers by counting backward.
8 – 3 = ?
Counting backward from 8, take jumps backward. You attain 5.
How one can subtract two one-digit numbers?
1. Right here we are going to discover 2 – 1.
Observe the steps together with the image:
(i) 2 – 1 means begin with 2 and take away 1.
(ii) From 2 strokes we take away 1 stroke and
cancel the strokes.
(iii) So, 1 stroke is left.
(iv) Subsequently, 2 – 1 = 1
We might learn 2 – 1 = 1
as ‘two minus one is the same as one’
or ‘two much less one is one’.
2. Right here we are going to discover 5 – 3.
Observe the steps of subtracting 1-digit quantity together with the image:
(i) 5 – 3 means begin with 5 and take away 3.
(ii) From 5 strokes we take away 3 strokes and
cancel the strokes.
(iii) So, 2 strokes are left.
(iv) Subsequently, 5 – 3 = 2
We might learn 5 – 3 = 2
as ‘5 minus three is the same as two’
or ‘5 much less three is 2’.
3.
Right here we are going to discover 7 – 2.
Observe the steps alongside
with the image:
(i) 7 – 2 means begin with 7 and take away 2.
(ii) From 7 strokes we take away 2 strokes and
cancel the strokes.
(iii) So, 5 strokes are left.
(iv) Subsequently, 7 – 2 = 5
We might learn 7 – 2 = 5
as ‘seven minus two is the same as 5’
or ‘seven much less two is 5’.
4.
Right here we are going to discover 9 – 5.
Observe the steps of subtracting
1-digit quantity together with the image:
(i) 9 – 5 means begin with 9 and take away 5.
(ii) From 9 strokes we take away 5 strokes and
cancel the strokes.
(iii) So, 4 strokes are left.
(iv) Subsequently, 9 – 5 = 4
We might learn 9 – 5 = 4 as
‘9 minus 5 is the same as 4’
or ‘9 much less 5 is 4’.
5.
Right here we are going to discover 8 – 8.
Observe the steps of the subtraction of 1-digit quantity together with the
image:
(i) 8 – 8 means begin with 8 and take away 8.
(ii) From 8 strokes we take away 8 strokes and cancel the strokes.
(iii) So, 0 strokes are left.
(iv) Subsequently, 8 – 8 = 0
We might learn 8 – 8 = 0 as ‘eight minus eight is the same as zero’ or ‘eight much less eight is zero’.
SUBTRACTION PROPERTIES
Allow us to study the properties of subtraction.
Subtraction of 0
What do you get once you subtract 0 from a quantity?
When 0 is subtracted from a quantity, the distinction is the quantity itself.
Attempt This!
Fill within the containers.
6 – 0 = _____
5 – 0 = _____
_____ – 0 = 7
9 – _____ = 9
Subtraction of 1
What do you get once you subtract 1 from a quantity?
When 1 is subtracted from a quantity, the distinction is the earlier quantity.
Attempt This!
Fill within the containers.
5 – 1 = _____
8 – 1 = _____
_____ – 1 = 7
9 – _____ = 8
Questions and Solutions on Subtracting 1-Digit Quantity:
1. Cross out 6 objects and discover the distinction.
Reply:
1. (i) 6
(ii) 9
2. (i) Take away 0 from 9. What number of left? _____
(ii) Take away 6 from 6. What number of left? _____
Reply:
2. (i) 9
(ii) 0
3. Subtract and discover the distinction.
(i) 18 – 7 = _____
(ii) 14 – 3 = _____
(iii) 18 – 8 = _____
(iv) 16 – 4 = _____
(v) 19 – 9 = _____
(vi) 15 – 2 = _____
Reply:
3. (i) 11
(ii) 11
(iii) 10
(iv) 12
(v) 10
(vi) 13
4. Discover the distinction.
(i) 27 – 5 = _____
(ii) 88 – 6 = _____
(iii) 67 – 2 = _____
(iv) 48 – 8 = _____
(v) 39 – 3 = _____
(vi) 55 – 5 = _____
(vii) 49 – 1 = _____
(viii) 19 – 5 = _____
Reply:
4. (i) 22
(ii) 82
(iii) 65
(iv) 40
(v) 36
(vi) 50
(vii) 48
(viii) 14
5. Subtract the next:
|
(i) |
T O 8 – 2 ________ |
(ii) |
T O 1 3 – 1 ________ |
|
(iii) |
T O 4 4 – 2 ________ |
(iv) |
T O 1 8 – 3 ________ |
Reply:
5. (i) 6
(ii) 12
(iii) 42
(iv) 15
6. Fill within the blanks:
|
(i) George has 8 marbles. He offers away 3 marbles. Now he has ……… marbles. |
 |
|
(ii) 9 birds are sitting on a tree department. 2 of them fly away. ……… of them are nonetheless on the department. |
 |
|
(iii) There have been 6 eggs in a tray. 2 are taken away. Now there are ……… eggs. |
 |
|
(iv) Ana has 4 goodies. She offers away 1 chocolate. Now she has ……… goodies. |
 |
Reply:
6. (i) 5
(ii) 7
(iii) 4
(iv) 3
7. Discover the distinction.
(i) 8 – 0 = 8
(ii) 6 – 0 = _____
(iii) 9 – 0 = _____
(iv) 4 – 0 = _____
(v) 5 – 0 = _____
(vi) 7 – 0 = _____
Reply:
7. (ii) 6
(iii) 9
(iv) 4
(v) 5
(vi) 7
8. Discover the distinction.
(i) 4 – 1 = 3
(ii) 8 – 1 = _____
(iii) 7 – 1 = _____
(iv) 3 – 1 = _____
(v) 5 – 1 = _____
(vi) 2 – 1 = _____
(vii) 6 – 1 = _____
(viii) 9 – 1 = _____
Reply:
8. (ii) 7
(iii) 6
(iv) 2
(v) 4
(vi) 1
(vii) 5
(viii) 8
9. Subtract on Abacus. One has been finished for you.
Reply:
9. (ii) 45
(iii) 42
10. Fill within the containers. One has been finished for you.
11. There are 45 college students in a category. 7 college students had been absent on Friday. What number of college students had been current within the class on Friday?
Reply:
11. 38
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