Fill in the blanks.
1. 8 = ____ %, read as ________________________
100
2. 24 = ____ %, read as ________________________
100
3. 3 = ____ %, read as ________________________
72
Complete the following table below.
Fraction in the Decimal Percentage
lowest term
0.02
2
5
172%
7
9
0.0057
20 13 %
20
1. In a garden, there are 280 flowers. 84 of them are roses and
168 are tulips. The rest are sunflowers.
a. What percentage of all the flowers are roses?
b. What percentage of the number of tulips are the number of
sunflowers?
c. What percentage of the number of roses are all the flowers?
2. A shopping mall has prepared 720 souvenirs. It sold 25% ,
how many pencil cases are sold?
3. A garden has an area of 80m2. 40% of the area is used for
growing berries, 30% for melon, and the rest for apple.
a. On the garden growing berries, 50% of the area grows
strawberries What is the area of the garden growing
strawberries in m²?
b. What is the difference in area between the garden growing
melon and that growing apple in m²?
4. Alex was 160 cm last year. He is 12% taller this year. How
tall is him in cm?
5. On a bookshelf, there are 162 books. 72 of them are
Chinese storybooks and 36 are English storybooks. The rest
are magazines.
a. What percentage of all the books are the number of
Chinese storybooks?
b. What percentage of all the books are the number of
magazines and English storybooks?
c. What percentage of the number of Chinese and English
storybooks?
are the number of magazines?
6. A shoe store received a shipment of 750 pairs of shoes.
After selling 55% of them, how many pairs are left?
7. Peter weights 55kg. The weight of Mary is 12% lighter
than that of Peter. What is the weight of peter?
8. A hardware store stocked 1536 tools. If 25% of them were
sold, how many tools are still available?
9. A farmland has an area of 60m2. 30% of the are grows red
carrots, 60% grows cabbages and 10% grows carrots.
a. On the farmland growing carrots, 50% of the area grows
red carrots. What is the area of the farmland growing red
carrots in m²?
b. What is the total area of the farmland growing tomatoes
and cabbages in m²?
c. What is the difference in area between the farmland
growing cabbages and that growing carrots in m²?
10. A watermelon weighs 500g. The weight of a mango is 75%
lighter than that of a watermelon.
a. If a pineapple is 30% heavier than the mango, what is the
weight of the pineapple?
b. If a pineapple is 20% lighter than the mango, what is the
weight of the pineapple?
11. A bag of rice weighs 800g. The weight of a bag of beans is
60% lighter than that of the rice.
a. If a bag of lentils is 40% heavier than the beans, what is the
weight of the lentils?
b. If a bag of lentils is 15% lighter than the beans, what is the
weight of the lentils?