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Division 'undoes' multiplication and involves a number called the dividend
being 'divided' by another number called the divisor. The
symbol used for division is '÷'. You need to have a thorough
knowledge of the following 'times table' in order to divide one number by
another.
Short Division
Example 15
Solution:
Long Division
So far we have used our 'times table' knowledge to divide one number by
another number. Now, we will consider division in which the dividend
is greater than 100 and the divisor is still less than or equal to 10.
Example 16
Solution:
Note:
- As division is the inverse of multiplication, start by dividing 4 into
the column furthest to the left.
- 6 ÷ 4 = 1 and 2 is the remainder.
- Clearly, the remainder 2 is 200 (i.e. 20 tens); and we can carry this
into the tens column to make 29. This is written as shown below.
- Now, 29 ÷ 4 = 7 with a remainder of 1. Clearly, the remainder
of 1 is 10 (i.e. 10 units) and we carry this into the units column to
make 12. This is written as:
- Finally, 12 ÷ 4 = 3, which is illustrated in the solution shown
above.
Example 17
Solution:
Note:
Key Terms
division, dividend, divisor,
times table, short
division, long division, quotient,
remainder
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