Name:…………………………………………….
Grade: 7
Subject: Mathematic Worksheet No. 2 Date of sub: 01/07/19
Topics/Skills covered: Expressions, equations and formulae
1. Write an expression for the total cost of k pens at $ m per pen and p pencils at $ t per pencil.
……………………………………………………………..
2. Write using expression
a) I think of a number w, multiply it by 3 and add 7 ………………………
b) I think of a number x, add 4 then multiply it by 2 ………………………
c) I think of a number y, divide it by 5 and then subtract 9………………………
d) I think of a number z, and multiply it by itself ………………………
3. Simplify
a) 5x – 4y + 2x ………………………
b) - 4d +3a + 6d – a ………………………
c) 5R – 2r + 3R + 4 + 8r ………………………
4. Expand the brackets
a) 5 (x -3 )………………………
b) 12 (7m – 12p) ………………………
c) 5(2 + 4y) + 3(2y +6)
Prepared by Ms. Jansirani J
d) 3( 2t -1) – 5 (4t -3)
5. Work out the missing number or terms:
a) 3(h - ) = 3h – 15
b) (4x + 3) = 16 x + 12
6. Construct expressions for
i) the area and
ii) the perimeter of this rectangle
7x + 2
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Prepared by Ms. Jansirani J