Fractions to Decimals
1/3 as a decimal
0.33 repeating
0.40 as a fraction
4/10 or 2/5
3/10 as a percent
30%
(-3) + (-3)
-6
If I started with $120 in my account then wrote a check for $70, how much do I have now?
$120 - $70 = $50
1/5 as a Decimal
0.20 or 0.2
0.33 repeating as a fraction
1/3
2/100 as a percent
2%
10 - 18
-8
If the temperature this morning was -5 degrees F then warmed up by 35 degrees, what is the new temperature?
30 degrees F
repeating
1.25 as a mixed fraction
1 and 1/4
200/100 as a percent
200%
-10 + 10
0
If my account was overdrawn by $23 then the bank issued a $15 overdraft fee, what is my account balance now?
-$38
3/8 as a decimal
0.375
2.66 repeating as a mixed number
2 and 2/3
370/100
370%
23 - (-5)
28
I have a bag of 20 marbles. 5 red, 10 blue and 4 green. What percent of marbles are blue?
50%
14/25 as a decimal number
0.56
CHALLENGE: Are repeating numbers rational or irrational?
Rational. example 0.33 repeating equals 1/3
14/25 as a percent
56%
(-3) + 5 - 10 - (-6) + 20
18
DOUBLE POINTS: If an airplane is flying at 5000 ft in the air then descends by 2500 ft, what is the new elevation?
2500 ft