Elena and five of her friends went out
for pizza. The total bill was $18.66.
They shared the bill equally. How much
did each person pay?To find the amount each person paid, n,
divide: $18.66 6 n.First estimate by using compatible numbers,
$18 6 $3. Then divide.To divide a decimal by a whole number:Write the decimal point in the Divide as you
quotient directly above the would with whole
decimal point in the dividend. numbers. Check.. $ 3.1 1 0 $ 3.1 1
6 $ 1 8 .6 6 6 $ 1 8 .6 6 6
1 8 $ 1 8. 6 6
0 0 6
0 0 6
0 0 0 6
0 0 0 6
0 0 0 0
Each person paid $3.11.Study these examples.
2.1 9 ..
4 8 .7 6
8 6 6.
0 7 6.
4 6.
3 6.
3 6.
0.Divide Decimals by Whole Numbers
3-5
Write the
dollar sign
in the quotient.Think
$3.11 is close to the estimate of $3.0.4 8.
3 1 .4 40.3 7
2 6 9 .6 2
7 8 6
1 8 2
1 8 2
02Short Division2.08206-2_096-097 10/7/07 10:55 AM Page 96