Addition/Subtraction
0.95 + 5.09 =
6.04
10 + 6 x 8
58
8 x 6.5 =
52
13.8 / 3 =
4.6
Which operations (addition, subtraction, multiplication, division) do you need to line up the decimal points -- in the set up and the answer?
Addition and Subtraction
11.27 + 9.4 =
20.67
5(7 + 5) =
60
4.2 x 1.8 =
7.56
33.6 / 5 =
6.72
Which operations (addition, subtraction, multiplication, division) do you need to count the number of digits after the decimal points?
Multiplication
14.34 + 3.2 =
17.54
11(8 + 3) - 15 =
106
3.7 x 0.8 =
2.96
156 / 5 =
31.2
What number do you need to add to the dividend (after the decimal point) when there are no more numbers to bring down?
0
12 - 4.61 =
7.39
3xy - 7
x = 4
y = 12
137
0.07 x 0.0004
0.000028
0.256 / 4 =
0.064
Your local internet phone company offers internet for a $100 hookup fee and monthly charges are $40 for service. What is the cost of internet for a year?
$580
126 - 48.64 =
77.36
(y - x)(z + 4) =
x = 4 y = 12 z = 9
104
0.006 x 0.0004 =
0.0000024
118 / 5.9 =
20
Computers store information in units called bits and bytes. A kilobyte is 2^10 bytes. Evaluate the power to find the number of bytes in a kilobyte.
1024 bytes