Maths practice for 12-year-olds - page 154 of 360
Number of problems found: 7199
- Calculate 39031
In the triangle ABC, the line tb = | is given BB1 | Calculate the length of this line if B1T | = 3cm. - Measuring 39011
Miška wants to buy wrapping paper for a gift for her mother. How many euros will he pay if he wants to buy paper measuring 9 quarters of a meter and 8-fifths of a meter, and one square meter of wrapping paper costs 40 cents? - Gamma angle
Find the magnitude of the gamma angle in triangle ABC if: α = 38° 56' and β = 47° 54'. - Continued 38941
Two opposite cars passed on the way and continued. One car drove 17.5 m in 1 second and the other 15.25 m. How far will these cars be in half an hour? - The parallelogram
The parallelogram has one side 2 dm long, which is one-sixth of its circumference. How many cm does the other side of the parallelogram measure? - Trees
Two-fifths of the trees in the orchard are apple trees, one-sixth a pear. The remaining 26 trees are cherries. How many pears are in the orchard? - A patient
One kilogram equals 2.2 pounds. If a patient weighs 79.5kg, what is his weight in pounds?
- Colored blocks
Tucker and his classmates placed colored blocks on a scale during a science lab. The brown block weighed 8.94 pounds, and the red block weighed 1.87 pounds. How much more did the brown block weigh than the red block? - Cylindrical 38791
The cylindrical barrel is 1.2 m high, and the diameter of its base is 0.6 m. How many hectoliters of water will fit in the barrel? What is the smallest amount of sheet metal needed for its production? (we count both bases) - Motorcyclist 38781
The front wheel of the motorcycle turned 800 times while riding. What distance did the motorcyclist walk if the diameter of the front wheel was 50 cm? - Pizzas
Billy ate 1 1/4 pizzas, and John ate 1 2/3 pizzas. How much more pizza did John eat than Billy? - The soup pot
The soup pot is shaped like a cylinder with a bottom diameter of 30 cm and a height of 36 cm. How many people is the soup enough if the pot is filled to ¾ height? It is calculated with 0.25 l of soup for one person. - The ratio
The ratio of girls to boys in Mrs. White's class is 3:2. If there are 12 boys, how many girls are in the classroom? - Giraffes to monkeys
The ratio of the number of giraffes to the number of monkeys in a zoo is 2 to 5. Which statement about the giraffes and monkeys could be true? A. For every 10 monkeys in the zoo, there are 4 giraffes. B. For every giraffe in the zoo, there are three monke - The fence 2
A certain type of fencing sells for $9 a yard. How much will 10 2/3 yards of fencing cost?
- Headphones
Charlie is saving money to buy a pair of headphones for $225. He has $37 so far and can save $15 per week. In how many weeks will he have enough money to buy the headphones? - School dance
Lucy and JoJo need to make 140 cupcakes for the school dance. Lucy made 3/5 of the cupcakes. JoJo made 42 cupcakes. What fraction of the cupcakes do Lucy and JoJo still need to make? - Leaking swimming pool
Between 10 pm and 7:10 am, the water level in a swimming pool decreased by 5/12 inches. Assuming that the water level decreased constantly, how much did it drop each hour? - A laundry
Mr. Green washed 1/4 of his laundry. His son washed 3/7 of it. Who washed most of the laundry? How much of the laundry still needs to be washed? - Conifers 38551
Out of the total number of 128 trees and shrubs around the school, pupils planted 1/4 in the autumn. Of these planted trees and shrubs, 3/4 were conifers. How many conifers did the pupils plant in the autumn?
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