II.* Подберите слово к определению в колонке а. Запишите свой выбор в колонке в.

А	В
very important	1. vital
to bring a ray of light to a fixed point	2.
the sort of power that lights our homes	3.
half the diameter	4.
place where something comes from	5.
uncovered	6.
a movement of electricity	7.
a watercourse	8.
flow of electricity, air or sea-water	9.
man-made	10.
the process of bringing water to dry areas	11.
a flat surface	12.
the smallest particle of an element, which can take part in a chemical change	13.
to change from gas to liquid	14.
a natural or artificial moon which revolves around a planet	15.
to make things seem bigger	16.
to look at very closely and carefully	17.
the smallest living unit	18.
to clean	19.
to make dirty	20.
to put down, to leave behind	21.
to move out or send out in all directions from a common centre	22.
a substance which speeds up a chemical change without changing itself	23.
the soil found on the bed of a river	24.
wet to touch	25.
to build on	26.

to look at something very closely and try to find things about it	27.
a river of ice high in the mountains	28.
to be made up of	29.
to shape, to form	30.
connected	31.
to remove by the action of water	32.
to put to practical use	33.
the thing built by man, usually with a special function	34.
the usual weather conditions in a certain area	35.
borders, limits between areas of land or countries	36.
a regular arrangement of molecules in a certain structure	37.
oil used for burning	38.
movement	39.
a sudden flash of light	40.

III. Выполните расчеты в колонке а и запишите свой вариант решения в колонку в.

А	В
Take the square root of 25. Add 10. Divide by 3. Multiply by 2. What is the answer?	10
Calculate the length of a rectangle which has an area of 35 cm² and a width of 5 cm.
Calculate the length of the base of a triangle, which has an area of 36 cm² and a height of 9 cm.
Calculate the volume of a rectangular solid with a length of 10 cm, a height of 7 cm and a width of 5 cm.
A week ago a cyclist travelled non-stop from Liverpool to London. The distance is 200 miles and the journey took 8 hours. What speed did the cyclist travel at?

Bob’s car does 40 miles per gallon of petrol. A gallon of petrol costs 80 pence. (100p = £1). How much will it cost Bob to get from Liverpool to London and back if the distance between Liverpool and London is 200 miles?
Subtract eight from twenty-four. Divide by two. Add two. Multiply by ten. What is the answer?
Add six to seven. Multiply by four. Subtract four. Divide by twelve. What is the answer?
Yesterday Alan went shopping with $10 in his pocket. He bought a pound of bananas for 70 cents, a loaf of bread for 60 cents and a cake for $1.70. How much money did he have when he got back?
Calculate the area of a triangle, which has a length of the base of 6 cm and a height of 8 cm.
Divide twenty by four. Multiply by nine. Add thirty-two. Subtract seventeen. What is the answer?
Calculate the area of a rectangle, which has a length of 6 cm and a width of 8 cm.
Yesterday a car traveled non-stop from Liverpool to London at a speed of 40 mph. The distance is 200 miles. How long did the journey take?
Multiply 7 by 4. Add 20. Subtract 6. Divide by 6. What is the answer?
Calculate the area of a rectangle which has a length of 9 cm and a width of 4 cm.
Yesterday in the morning Jack had $ 5. During the day he bought a kilo of apples for $ 1.4, a sandwich for $ 0.7 and stamps for $ 0.9. How much money did he have in the evening?
Multiply eight by eleven. Add twelve. Divide by five. Subtract ten. What is the answer?

Calculate the height of a triangle which has a base of 10 cm and an area of 50 cm².
Divide six by three. Subtract one. Add four. Multiply by five. What is the answer?
Mike’s car does 25 miles per gallon of petrol. A gallon of petrol costs 70 pence. How much will it cost Mike to cover the distance of 350 miles?
Calculate the height of a triangle which has an area of 32 cm² and a length of the base of 8 cm.
Take the square root of 81. Add the square root of 16. Multiply by 12. Divide by 4. What is the answer?
Willy’s car does 40 miles per gallon of petrol. A gallon of petrol costs $ 1.2. How much will it cost Willy to cover the distance of 100 miles?
Calculate the height of the triangle, which has an area of 35 cm² and a length of 10 cm.
Jack goes shopping with $7.50 in his pocket. He buys a pound of bananas for 70 cents, a loaf of bread for 60 cents and four rump steaks for $2.20. How much money does he have when he gets back?
Calculate the length of a box which has a volume of 60 cc, a height of 4 cm and a width of 3 cm.
Take the square root of 49. Add the square root of 64. Subtract 5. Multiply by 6. Divide by 20. What is the answer?
Divide forty four by eleven. Multiply by five. Add seven. Subtract eight. What is the answer?
A circle has a circumference of 21 cm. Calculate the diameter.

Calculate the length of a box which has a volume of 96 cc, a height of 4 cm and a width of 3 cm.
Multiply seven by four. Add twenty. Subtract six. Divide by six. What is the answer?
Take the square root of 4. Add the square root of 81. Multiply by 6. Divide by 3. What is the answer?
Calculate the width of a box which has a volume of 144cc, a height of 6 cm and a length of 6 cm.
Oil is pumped into a 2,000-gallon tank at a rate of 4 gallons per second. How long does it take to fill the tank?
Divide 20 by 5. Multiply by 9. Add 32. What is the answer?
Multiply seven by nine. Add nine. Divide by six. Subtract three. What is the answer?
Take the square root of 36. Add 14. Multiply by 5. Subtract 1. What is the answer?
Take the average of 20, 24, 26 and 30. Multiply by 10. What is the answer?
Calculate the width of a rectangle, which has an area of 40 cm² and a length of 8 cm.
Multiply six by eleven. Add fourteen. Divide by twenty. Subtract three. What is the answer?

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