Math in Science π¬
A rocket travels 29,875 km per hour. How far does it travel in 15 hours?
448,125 km
The Great Pyramid of Giza was built with about 2,300,000 blocks of stone. If each block weighed about 2.5 tons, what is the total weight?
5,750,000 tons
A honeybee makes 1/12 of a teaspoon of honey in its lifetime. How much honey will 240 bees produce?
20 teaspoons
A video game costs $47.95. If a store sells 256 copies, how much money does it make?
$12,275.20
A train in Japan travels 325 kilometers per hour. How far will it travel in 6.5 hours?
2,112.5 km
A laboratory has 1,248.6 liters of a chemical solution. The solution needs to be equally divided into 24 containers. How many liters of solution will be in each container?
52.025 liters
A Roman aqueduct carried 1,248 liters of water each hour. How much water would it carry in 24 hours?
29,952 liters
A pond has a rectangular shape with a length of 36.3 m and width of 24.08 m. What is its area?
874.104 square m.
A music concert lasted 2 hours and 45 minutes. If each song was 5 minutes long, how many songs were performed?
33 songs
In Egypt, a rectangular garden measures 45 meters by 32 meters. What is the area of the garden?
1,440 square meters
A chemical experiment requires 0.625 grams of a substance. How much is needed for 40 experiments?
25 grams
A historical document is divided into 12 chapters. If each chapter has 47 Β½ pages, how many pages are in the whole document?
570 pages
A river flows 1,285.7 km. A dam blocks 642.3 km. How much of the river is still free-flowing?
643.4 km
A dance team practiced 1 Β½ hours each day for 28 days. How many hours did they practice in total?
42 hours
In France, a bakery sold 4,030 croissants in July. If the month had 31 days, how many croissants did they sell each day?
130 croissants
A scientist is preparing a solution. She needs 3 1/2 liters of chemical A for each experiment. If she wants to run 7 experiments, how many liters of chemical A does she need in total?
49/2 = 24 1/2
A historian is studying two old manuscripts. He reads 3/4 of the first manuscript and 5/6 of the second manuscript. What fraction of the manuscripts has he read in total?
19/12 = 1 7/12 manuscripts
A gardener waters 2 3/4 liters of water per plant. If she waters 18 plants, how much water does she use in total? Write the answer as a decimal.
198/4=
9 2/4=
49 1/2=
49.5 liters of water
A band rehearses for 1 3/4 hours each morning and 2 1/2 hours each afternoon. How many total hours do they rehearse in a day?
17/4
= 4 1/4 hours
A soccer field in Brazil is 105 m long and 68 m wide. What is the perimeter of the field?
346 m.
A prism-shaped container has a base area of 72 cmΒ² and a height of 15 cm. What is its volume?
1,080 cmΒ²
An ancient coin is circular with a diameter of 4.8 cm. What is the circumference of the coin?
Circumference=Ο Γdiameter
=15.072 cm
A fish tank measures 60 cm Γ 45 cm Γ 40 cm. What is its volume?
108,000 cmΒ³
A rectangular movie screen is 24 meters long and 15 meters wide. Which number is larger, the perimeter or the area?
Area= 360 Square meter
Perimeter=78 meters
The area is greater
In Italy, a pizza is cut into 8 slices. Marco eats 4 slices. What fraction of the pizza did he eat? Write the answer in simplest form.
1/2