Unit 1
4 marks · NormalSimplify the algebraic expression .
The following numbers are given: 0.5 and .
Simplify the expression as much as possible.
Express 0.5 as a fraction in its lowest terms.
Which is greater, 0.5 or ? Write your answer as a sentence.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
(a) 3x + 4y
(b) 1/2
(c) is greater than 0.5
Also accept: 3/4 is greater than 0.5; \frac{3}{4} is greater than 0.5
Show mark scheme and worked solution
Marking points
B1 (a) · 2 marks · Collect like terms and write final simplified answer
A1 (b) · 1 mark · Correct simple fraction 1/2
B2 (c) · 1 mark · Correctly recognises is greater than 0.5
Worked solution
a) 5x - 2x = 3x, 3y + y = 4y. So 3x + 4y.
b) 0.5 = 1/2.
c) 0.5 = 1/2 < 3/4 = 0.75, so 3/4 is greater than 0.5.