Hidden Percentages
Going up?
A Part of the Game
A Whole Lot of Fun
Interesting Problems
100
Write the portion of fruit that are peppers as a simplified fraction, decimal, and percent.
⅓ = 0.33 = 33%
100
Which of the following key-words indicate an increase?
higher, take off, more, up, down, less, fewer
Higher, more, up
100
What is ¼ of 16?
4
100
⅔ of a number is 8. What is the number?
12
100
If you borrow 2000 kr for a year with an interest rate of 5%, how much interest do you pay?
100 kr
200
What is 0,3 as a percentage?
30%
200
The price of a jacket goes from 300 kr to 250 kr. What percent has the price dropped?
17%
200
What is 4/7 of 28?
16
200
24% of a number is 30. What is the number?
125
200
If you borrow 3500 kr for a year with an interest rate of 7%, how much do you pay back?
3745 kr
300
What percent is 234 orange trees out of 300 orange trees?
78%
300
In 2016 it rained 93 days in Ottawa. In 2017 it rained 145 days. What % more rainy days did they have in Ottawa in 2017 than in 2016?
56%
300
The price of a 6 SEK chocolate bar goes up by ⅓. What does it cost now?
8 SEK
300
Johan is building the Death Star out of lego. When he is 15% done he still has 3417 bricks left. How many bricks is he using for his project?
4020
300
If you put 12 000 kr in a bank account with 3% interest, how much money will be in the account after half a year?
12 180 kr
400
What fraction of a day is 30 minutes?
1/48
400
Oranges in Gisborne NZ cost 12 SEK/kg. At ICA you can get them for 28 SEK/kg. What % more expensive are oranges in Sweden than in NZ?
133% more expensive
400
What number is 40% of the way between 10 and 30?
18
400
Ricardo bought a pair of boots and skis at a 25% off sale. He saved 600 SEK on the skis and 125 SEK on the boots. How much would he have paid in total without the sale?
2900 SEK
400
If you borrow 25 000 kr and pay back 26 500 half a year later, what is the annual interest rate?
12%
500
The number of people in the city who bike to work goes up by 4 percentage points in a year. This is a 12.5% increase from the year before. If 60 thousand people live in the city, how many bike to work now?
21 600 people
500
At a school with 800 students, 65% of them have a C or higher in Math. If the number of students getting a C or higher increases by 5%, what percent of the students will be getting a C or higher?
68.25%
500
The base of this triangle increases by 33.33...%. What percent of the new shape's area is the original shape's area?
75%
500
Angela has a valuable collection of Pokémon cards. 8% of them are rare, 1/5 are uncommon, and 1296 are common. How many cards does she have?
1800
500
Alva made 3 000 kr in six months in her bank account with a 6% interest rate. How much money did she start with in her account?
100 000 kr