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1/3 is 33 1/3 %; To find 33 1/3 % divide by 3. Learnist Board: http://bit.ly/13AGhZq More information at http://bit.ly/ZXLw0I #P11
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33⅓% is 1/3
To find 33⅓% of a number divide by 3.
(Sometimes we round 33⅓% to 33%.)
By Jim Olsen, W.I.U.#P11
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33⅓% 0% 66⅔% 133⅓% 100%
33⅓ ¢33⅓ ¢
+ 33⅓ ¢ $1.00
Find the percent
1. 10 makes out of 30 attempts:
2. 40 yes votes on 60 ballots:
10 133 %
30 3 ⅓
40 266 %
60 3 ⅔
Recall the strategy:To find A% of BYou can change the percent to a fraction,Find B divided by the bottom, thenMultiply by the top.
Find 66⅔% of 18
23
2 1866 % of 18 18 2 6 2 12
3 3
Find the number
1. Find 33⅓% of 24.
2. Find 66⅔% of 27.
3. Find 133⅓% of 150.
1 of 24 24 3 8
3
2 of 27 (27 3)*2 9*2 18
3
4 of 150 (150 3)*4 50*4 200
3
Examples:
1. If the bill is $39 and the tip is $13, what percent was the tip?
2. If sales are expected to be $240 and the actual sales were $320, what percent of 240 is 320?
3. Total income is 6 million dollars. Taxes and fees are 33%. How much goes to taxes and fees?
4. We have 30 copies of the book and 67% have been checked out. How many have been checked out?
13
13 133 %
39 3
13
320 32 4133 %
240 24 3
2 million dollars
two-thirds of 30 is 20
Closing Notes Remember
33⅓% is 1/3 To find 33⅓% of a number divide
by 3.
To find 66⅔% of a number divide by 3 and double.
#P11