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You
divide when you want
to:
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-
separate a set into
equal parts
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Mary has 12
apples. She puts 4 apples into each bag. How many bags does she
need?
12
 4 = 3
She uses 3
bags.
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Cody, Kyle,
and Eric share 12 apples equally. How many apples does each boy get?
12
4 = 3
Each boy gets
4 apples.
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Sometimes when
you divide, a number is not
evenly divided. There will be a remainder, or an amount
left over. |
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Divide.
10
3 = n |
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What you see |
What you write |
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So, 10
3 = 3 with 1 left
over, or
3 R1 |
Think of division
as sharing. Suppose you
are sharing 8 counters with
2 groups. How many counters would each
person receive? 4
Eight can be
divided into 2 equal
groups, so there is no remainder.
Think of division
as sharing. Suppose you
are sharing 9 counters with
2 groups. How many counters would each
person receive?
4 with 1 left over, or 4 R1
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Example 2
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Nine
can not be divided into 2
equal groups, so there is
a remainder.
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Remember:
The basic rules for division can
be represented as:
n
1 = n
n
n = 1
0
n = 0
It is
impossible to divide
a number by 0. |
Let's Practice!
click
here
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