MATHEMATICS HOLIDAY HOMEWORK (2016-17)
CLASS - VII
A). Make an illustrative project on the following:-
1. Write all the letters of your name in capitals separately on A4 size sheets. Choose the sheets with letters in which you can identify the pairs of angles studied by you.
Label all the lines, line segments, rays etc. in these letters and write down all the pairs of angles formed. Measure these angles and verify
a) Properties of angles made by parallel lines and a transversal.
b) Sum of angles forming a linear pair.
c) Sum of angles formed on a straight line.
d) Measure of vertically opposite angles.
1) If two angles are supplementary ,then the sum of their measure is:
a) 90° b) 120° c)100° d) 180°
2) Find: (-81)÷ 9 :
a) -8 b) -9 c) 8 d) 9
3) Find : 1/2 of 3/9 :
a) 1/6 b)3/10 c) 1/18 d)3/2
4) Which of the following pair of angles is complementary:
a)63°,27° b)120°,60° c)40°,25° d) 80°,20°
5) Write down a pair of integers whose:
a) sum is -7 b) sum is 0 .
6) Find the product using suitable properties :
a) 625×(-35) + 625× 65 b) 8×53× (-125)
7) Solve : 25 × 5 14
8) Find the complement and supplement angle of 105°.
9) An elevator descends into a mine shaft at the rate of 6 m/ min. .If the
descent starts from 10 m above the ground level .How long will it take to
reach -350 m.
10) A car runs 16 km using 1 litre of petrol.How much distance will it cover
using 2 34 litres of petrol.
11) In the given fig. the arms of two angles are parallel.
If angle ABC = 70°,find :
a)Angle DGC
b)Angle DEF
12) Find 12 of i) 324 ii) 516
13) Sameera purchased 2 34 kg of apples and 3 17 kg of oranges .What is the total weight of fruits purchased by her?
14) In a class test containing 10 questions,5 marks are awarded for every correct answer and (-2) marks are awarded
for every incorrect answer and 0 for question not attempted.
i) Mohan gets 4 correct and 6 incorrect answer.What is his score?
ii) Reena gets 4 correct answers and 3 incorrect answers out of 7 questions she attempted.What is her score?
15) A vehicle covers a distance of 43.2 km in 2.4 litres of petrol.How much distance will it cover in one litre of petrol?
16) In the adjoining fig. p and q are parallel lines
,Find the unknown angles .