مراجعة مادة الرياضيات للصف السادس mid term

by Randa Alex

Revision midterm j:6

Complete: a) 250 gm : kg= --------- : ---------

b) m : 125 cm= --------- : ---------

c) 1.8 : 1.6 : 1.2 = --------- : --------- : ----------

d) : 13 = --------- : --------

e) 16 kirat : 1 feddan = -------- : ---------

f) 0.5 : = ------ : --------

g) If a : b = 5: 6 , b : c = 8 : 9, then a : b : c = ---- : ----- : ---

h) 8 Hours : 3 days = --------- : ---------

i) = , then x-2 = ---------

j) A machine procedures 600 m of cloth in one hour and half. Then the rate of production is --------------- m/hr

k) The ratio between the side length of a square and its

perimeter = --------- : ---------

l) Proportion is ----------------

m) In proportion , the product of extremes = ----------

n) If x ,18 , 6 , 9 are proportional, then x= -------

o) = , then x = ----------

p) = , then x = -----------

q) = 4 , then x = -----------

r) Ratio is --------------

s) Drawing length = ---------

t) litre : 75 cm3= ----------- : -----------

u) a :b = 2 : 3 , = 3 :5 , then a : c = ------ : --------

v) 1.8 : 1.44 : 1.6= -------- : --------- : --------

w) A car covers 171 km in two hours and quarter, then

the average velocity = ------------

Choose:

If the ratio 7 : 13 is the same ratio x : 52 then x = -------- (14 , 21 , 28 , 35 )

If the ratio among the measures of the angles of triangles is 2 : 3: 4, then measure of smallest angle = -------- ( 40o , 60o , 90o )

If Hazem drinks 21 glasses of milk weekly, then the rate of what he drinks daily is ----

( 3 glasses – 7 glasses -14 glasses)

300 gm : 1 kg = ---------- ( 1:2 , 1:5 , 1: 10 )

= ------------ ( 1:2 , 3 :10 , 1:5)

If a: b = 2: 5 , then = ------ ( 2:5 , 2 : 7 , 3:7 )

3 : 9.6 = --------- ( , , )

If A is twice B , then A:B is ----------- ( 1:2 , 2:1 , 3:1 )

The ratio between the perimeter of a square to its side is --------- ( 1:4 , 4:1 , 1:1)

The ratio between the diameter of the circle and its circumference = ------------- ( 1:π , π:1 , 22:7 )

The ratio between the side of an equilateral triangle to its perimeter = ------- ( 1:3 , 3 :1 , 1:1)

If the number x , 2 , 6 and 3 are proportion then x= -------- ( 4 , 11 , 12 )

The ratio between the age of a man and his son is 5:2 . If the age of the man is 40 years, then his son is --------- (8 , 24 , 16) years.

Problems:

The perimeter of a rectangle is 6.4 metres and its length is 200 cm find a) its width. b) the ratio between its length and its width.

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The Area of a rectangle is 48 cm2 and its width is 6cm find a) its length b) the ratio between its width and its perimeter.

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The ratio between the two dimensions of a rectangle is 5:9. Calculate its Area if its perimeter is 56 cm?

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A triangle, the ratio between its sides are 4: 6:7 .If its perimeter is 51 m. Find the side length of each.

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The ratio between the money that Reem has to Hoda to Alia is 2:4 :5. If Hoda has L.E.10 less than Alia. Find the total amount of money.

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The ratio between the price of T.v., Oven and Refrigerator is 4:5:8 and if the price of T.V. is L.E. 1200. Calculate the price of Oven and Refrigerator.

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Mona bought 5 kg of strawberries, she paid L.E. 15. How much money does she pay to buy 7 kg?

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A man distributed L.E. 6300 among his three sons in the ratio 3:4:2. Find the share of each of them.

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The monthly salary of an employee is L.E.2000. He spends 3/4 his salary and saves the remainder. Find a) The ratio between his saving to his salary. b) The ratio between what he spends to his saving.

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A rectangle of length 2 metres and width 120 cm. Find a) The ratio between the width and the length of the rectangle.

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b) The ratio between the length and the perimeter of the rectangle.

A school has 540 pupils.and the numbers of girls is 4/5 the numbers of boys. Find the numbers of each of boys and girls.

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The price of 1 kg of apple is L.E. 10 and the ratio between the price of one kg of apple and 1 kg of banana is 5:2. Find the price of 5 kg of bananas.

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ABC is a triangle in which AB : BC: CA is 3:5:7. If the diffrence between lengths of AB And BC is 4 cm. Find the length of each side, then find its perimeter.

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The ratio a mong the share of Hani, Sherif and Khalid is 3:5:7 and the share of Hani is L.E. 24. Calculate the share of Sherif and Khalid.

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A tractor plough for a gricultural land ploughs 6 feddans in 3hours. Find the rate of work of this plough. If another plough ploughs 10 feddans within 4hours. Which of them is more efficient.

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25 kg of flour produce out 270 leaves of bread. How many leaves of bread can be produced out of 47.5 kg of flour?

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Three persons set up a commercial business, the first paid 3/4 of the second and the second paid 2/3 of the third. At the end of the year the profit become L.E.3120. Calculate the share of each of them.

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مراجعة مادة الرياضيات للصف السادس mid term