Addition
0.95 + 5.09 =
6.04
5.68 - 4.23 =
1.45
8 x 6.5 =
52
5.6 x 10
56
For which 2 operations (addition, subtraction, multiplication) do you need to line up the decimal points?
Addition and Subtraction
11.27 + 9.4 =
20.67
67.75 - 8.1 =
59.65
4.2 x 1.8 =
7.56
2.45 x 100
245
When you multiply one number by a number less than one (like 0.1), will the product be greater than or less than one?
Less than one.
9.6 + 0.18 =
9.78
43.03 - 6.91 =
36.12
3.7 x 0.8 =
2.96
156 x 0.01
1.56
Describe the steps for multiplying decimals.
1. Convert (change) into fractions.
2. Multiply the fractions.
3. Convert (change) into decimal.
1.23 + .005
1.235
12 - 4.61 =
7.39
0.07 x 0.4 =
0.028
23.1 x 0.1
2.31
What is the place value of the 5 in the following number: 0.235
Thousandths place
8 + 2.45
10.45
100 - 4.25 =
95.75
3.1 x 7.1 =
22.01
5.11 x 0.01
0.0511
The word "decimal" is derived from the Latin word "decimus" which translates to what?
tenth