4.1 x 0.5 =
2.05
What is step #1?
Use standard algorithm (pretending the decimals are not there)
2.21 x 3 = 6.61
6.63
0.752 x 10 =
7.52
9.2 x 39 =
358.8
1.1 x 2.2 =
2.42
What is Step 2 to multiplying decimals?
count how many # are behind the decimal in the factors
4.32 x 3 = 10.96
12.96
1000 x ______=232
0.232
3.05 x 26 =
79.3
82.1 x 0.3 =
24.63
What is Step 3 to multiplying decimals?
Put the decimal that many places in from the right
5.64 x 4 = 22.46
22.56
60.1 x 10
601 or 601.0
8.39 x 62 =
520.18
92.1 x 0.2 =
18.42
45.3 x 6
271.8
6.75 x 5 = 30.75
33.75
0.032 x ____= 3.2
100
5.052 x 19 =
95.988
27.23 x 0.55 =
14.9765
List all the steps to multiplying decimals.
Step 1: Use standard Algorithm to multiply (pretending the decimal is not there)
Step 2: Count how many numbers are behind the decimal in your factors
Step 3: Put the decimal in your answer that many places in from the right
8.76 x 8 = 70.08
There is no error!
_______ x 0.013 = 13
1,000
14.55 x 89 =
1294.95