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Dividing Decimals by
Whole Numbers
Today we will…
Divide a decimal by a
whole number.
2) Review rounding a
decimal to the nearest
tenth.
1)
Step 1
.
4 26.4
Place the decimal
point in the
quotient above the
decimal point in
the dividend.
Step 2
6.6
4 26.4
-24
24
- 24
0
Divide as with
whole numbers.
Step 3
6.6
X 4
26.4
Check your answer.
Multiply the
quotient by the
divisor.
Your answer should
be the dividend.
Now try these two.
42.8
2.61
2 85.6
5 13.05
How did you do?
Let’s try rounding to the
nearest 10th.
.925
1.
.9
3.467
3.5
26.45
26.5
4.01
4
325.23
325.2
2.
3.
4.
Look at the number to
the right of the
number in the 10ths
place.
If it is 0, 1, 2, 3, or 4,
round down.
If it is 5, 6, 7, 8, or 9,
round up.
.925 rounds to .9