Decimals Flashcards
Calculate the difference between 38.612 and 13.87
24.742
Subtract 2.317 from 3.9
1.583
The lift in a tall building rises one floor in 13.9 seconds. If the lift rises 15 floors, how long will it take?
208.5 seconds
Add 8.7 / 0.7 x 0.07 x 0.06
12.004
Convert 1/8 into a decimal
0.125
1.20 + 1.15
2.35
8.28 + 9.46 + 0.84
18.58
6.50-1.25
5.25
58.0 - 0.32
57.68
100.0 -1.85
98.15
10 x 2.5
25
10 x 0.25
2.5
100 x 6.033
603.3
10 x 0.003
0.03
100 x 0.876
87.6
1.25 x 5
6.25
3.2 x 4
12.8
5.12 x .34
1.7408
3.123 x .18
0.56214
4/12.48
3.12
34.62/10
3.462
34.62/ 100
0.3462
156.4/10
15.64
156.4/100
1.564
4/2.324
0.581
0.6/7.2
12
1.5/01530
0.102
9/52.29
5.81
12.0/12.48
1.04
0.02/4.486
224.3
0.26/8.8086
31.1
$93.05/15
6.20c
Write as a decimal: three and seven tenths…
3.7
Write as a decimal: Seventy-four thousandths
0.074
Write as a decimal: One and twenty-five thousandths
1.025
Write as a fraction or mixed number: 1.2
1 2/10
Write as a fraction/mixed number: 0.68
68/100
Write as a fraction/mixed number? 3.418
3 418/1000
Write as a fraction/mixed number? 0.07
7/100
Write as a fraction/mixed number? 6.15
6 15/100
80.6 + 4.75
85.35
12/3.682 + 75 + 3.8 + 0.00096
95.1816
9.86 - 3.54
6.32
8.394 - 3.52
4.874
2.198 - 3.852 + 2.053
0.399
When filling up my car with petroleum I have to put in 27.8L. I know that the tank holds 40L. How much petroleum did I have left in my tank before fuelling?
12.2L
The thickness of several pieces of metal were measured with a micrometer and found to be 0.083, 0.375, 0.1648 and 0.251mm. What is the combined thickness of all the pieces of metal?
0.8738mm
On a map the length of the road as 41.2km, but a surveyor found this measurement to be 1.37km too small. What was the true length of the road?
42.57km
The gap in a distributors point had to be 0.65mm. A motor mechanic measured the gap with a set of feeler gauges and found it to be 0.08mm too small. How wide was the spark gap?
0.57mm
An electrician needed copper wire with a diameter of 0.85mm. The nearest she had was 1.10mm diameter. Was it too thick or too thin, and baby how much?
Too thick by 0.25mm
