CBSE Sample Paper 2021 Class 7 Mathematics Half Yearly

Half Yearly Examination (2020-21)


Time: 2:30 Hours

Subject: Mathematics

Maximum Marks: 80

All questions are compulsory.

1- Very short answer type questions:-(1 x 10 = 10)

i) Express 56/88 in standard form.

ii) Which is greater: (-8/13 and 6/11)

iii) Standard unit of length is________

iv) Convert 125/500 into decimal.

v) Simplify:( ¾)3 × (3/4)4

vi) Is 5, 6, 10, 12 in proportion.

vii) Identify the numerical co-efficient of term 2a2+4b

viii) Can two acute angles be supplementary?

ix) Convert: 5.7kg into gm.

x) Write whole and decimal part of 123.45

2- Short answer type questions:-(2 x 10 = 20)

i) Compare the ratio 9:10 and 10:11

ii) Write two equivalent fraction of -4/9.

iii) Subtract 235.532 from 657.756.

iv) Find: 74÷72.

v) Convert -64/125 in power notation.

vi) Add:-5x3+7y3+6x2 y2 , -7x3-8y3+5x 2y2, 6x3-8y3-7x2y2

vii) Find the ratio of 40 minutes to 1 hour.

viii) Find the whole if 45% of it is 9km.

ix) Find the complement angle of 660.

x) If Akhil bought a bat for 1000 and sell it for Rs.1250. Find it profit or loss?

3- Long Questions:-(3 x 10 = 30)

i) Arrange -5/8, -3/11, 4/9, -6/7 in ascending order.

ii) Solve: x/6+5= x/3+x/4

iii) The cost of two dozen of banana is 154.80.What will be cost of one banana?

iv) If a=5 and b=6 then find the value of 5a2b+8a.

v) What should we added to 5x2+7xy+9y2 to obtain 9x2+17xy+19y2.

vi) If 2, 4, and 12 are in proportion, find the fourth term.

vii) Solve: (50 ÷70)+(100-90)

viii) Find the interest and amount if principal = 8000 for 4 year at 6% per annum.

ix) Rohit bought a bicycle for 1750 and sold it for Rs.1400. Find the profit or loss%?

x) The sum of two consecutive numbers is 59.Find the numbers.

4- Long answers type questions:- (3 x 5 = 15)

i) How long will it take for 5000 to become double the amount at the interest rate of 10%.

ii) Find the complementary angles, so that the measures of one angle is 100 less than the other angle.

iii) 15 monkeys eat 45 bananas in a day. How many bananas are needed to feed 12 monkeys.

5- Fill in the blanks:(1 x 5 = 5)

i) The sum of two supplementary angles is __________.

ii) To change from a smaller unit into larger unit we__________.

iii) Amount = principal + __________.

iv) The sum of linear pair is __________.

v) 54 ÷10 = __________.

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