The City SchoolSouthern Region

Reinforcement WorksheetMathematics

Class 6Topic: Algebra 1

Name: _________________________ Section: _____ Date: __________

Time: ___________

Q1. Encircle the correct option.

a) The algebraic expression for ‘divide the sum of r and s by t’ will be:

i.r+st

ii.r× st

iii. r+st

b) Expanded form of (– 3x)( – 9xy)i. 27x2yii. 27xy2

iii. – 27x 2y

c) Fifteen added to thrice the number x can be written as:

i. 15 + 3x

ii. x3 + 15

iii. 15 +x

d) The value of 4y2 when y = – 1 is

i. – 4

ii. – 8

iii. 4

e) The pair of like terms is:

i. 2a + 3a2

ii. 2a + 5a

Mathematics/ Algebra - 1 - Reinforcement Worksheet/ EoY -2015/ Class 6 Page 1 of 2

iii. 5a + 4b

f) The co-efficient in the term 3a2 is:

i. – 3

ii. 3

iii. 2

Q2. Fill in the blanks.

a) Expand 6(2m + 5): _______________.

b) Algebraic expression for the product of k and sum of m and n is _______________.

c) Subtract 4 from c will be written as _______________.

d) In the term 4x2 + 5, 5 is called a _______________ term.

Q3. Do as directed.

a) Simplify a + 2c – 4a – c

b) Expand the following expressions:

i. 3(2a + b) ___________________________________

ii. – 2 (3x – 4y) ___________________________________

c) Evaluate

i) Given that a = 1, b = 3, c = 7, evaluate abc

ii) Given that a = 3, b = – 4, c = – 2, evaluate 2ab + c2

d) Simplify:

i. 2(2a + 3) – 3 (a + 5)

ii. – 49m2 ÷ 7m

e) Subtract 3a – b + 4c from 9a – 6b + c

f) Add 2x + 7y – z and 5x – 7y – 6z

Mathematics/ Algebra - 1 - Reinforcement Worksheet/ EoY -2015/ Class 6 Page 2 of 2