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Class 7 Reinforcement Worksheet Algebra 1

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The City School

Southern Region

Reinforcement Worksheet
Mathematics
Class 7
Topic: Algebra 1

Name: _________________________ Section: _____ Date: __________


Time: ___________

Q1 Encircle the correct option.

1. A scarf whose length is half meter that can be made from y meters of cloth is
a) 2y
y
b)
2
c) y + 2
d) y + ½
2. Which expression represents "eight less than the product of five and a number"?
a)  8 - 5n 
b) 8 - 5 + n
c) 8 - (5 + n)
d) 5n – 8
3. The product of two numbers 2p and 7p is
a) 2p x 7p
b) 2(p x 7)
c) 14p
d) (2 x 7) p
4. The days in n weeks can be represented as
a) 7 + n
b) 7 x n
c) 7n

Mathematics/ Algebra - 1 - Reinforcement Worksheet/ EoY -2015/ Class 7 Page 1 of 2


n
d)
7
5. The length of a side of square is given as 2x + 3. Which expression represents the perimeter of
the square?
a) 2x + 16
b) 6x + 9
c) 8x + 3
d) 8x + 12

Q2 Fill in the blanks with an appropriate answer.


a) The speed of car is 55 km/hrs. The distance covered in y hours can be represented in
algebraic expression as ___________________.
b) 5a and 5b are ___________ terms.
c) How many minutes are there in m hours? _______________
d) Sum of 2q and 7p is _______________.
e) Construct a formula for the given statement. The cost of m eggs at 12 cents each. _________

Q3 The sum of three consecutive even numbers is 210. Find the largest of these numbers.
Q4 The sum of three consecutive odd numbers is 243. Find the three numbers.
Q5 If S = 4r2, find S when r = 10 ½ and  = 3.142
1 x 1
Q6 If x – +3– = , find x when y = 8 and z = 2
y y z
Q7 When a number is doubled and 5 is subtracted from the result, the answer is 37. What is the
number?
Q8 The sum of two numbers is 120. If the larger number is four times the smaller number, what are
the two numbers?
Q9 When loaded with bricks, a lorry weighs 11,600 kg. If the bricks are three times as heavy as the
empty lorry, find the weight of the bricks.

Mathematics/ Algebra - 1 - Reinforcement Worksheet/ EoY -2015/ Class 7 Page 2 of 2

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