Subtraction Placing the Numbers
Learn how to do subtraction placing the numbers in columns. Subtract from two-digit numbers by arranging and placing the numbers correctly in tens and ones column.
1. Subtract 23 from 89 (by placing the numbers in column).
Solution:
Subtract 89 - 23 arrange by placing the numbers in column
T O
8 9
- 2 3
6 6
(i) Given numbers are written in column form.
(ii) Subtraction of digits at one’s place, 9 – 3 = 6 ones.
(iii) Subtraction of digits at ten’s place, 8 – 2 = 6 tens.
(iv) Subtracted sum = 6 tens + 6 ones = 60 + 6 = 66
(v) Therefore, 89 – 23 = 66
2. Subtract 46
from 78 (by placing the numbers in column).
Solution:
Subtract 78 - 46 arrange by placing the numbers in column.
T O
7 8
- 4 6
3 2
(i) Given numbers are written in column form.
(ii) Subtraction of digits at one’s place, 8 – 6 = 2 ones.
(iii) Subtraction of digits at ten’s place, 7 – 4 = 3 tens.
(iv) Subtracted sum = 3 tens + 2 ones = 30 + 2 = 32
(v) Therefore, 78 - 46 = 32
3. Subtract 23 from 94 (by placing the numbers in column).
Solution:
Subtract 94 - 23 arrange by placing the numbers in column.
T O
9 4
- 2 3
7 1
(i) Given numbers are written in column form.
(ii) Subtraction of digits at one’s place, 4 – 3 = 1 one.
(iii) Subtraction of digits at ten’s place, 9 – 2 = 7 tens.
(iv) Subtracted sum = 7 tens + 1 one = 70 + 1 = 71
(v) Therefore, 94 - 23 = 71
The examples will help us to solve different types of problems of 2-digit subtraction placing the numbers in vertical order.
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