2D Area & Perimeter: WJEC GCSE Foundation June 2019 Unit 1 Q7

Foundation June 2019 Unit 1 Q7

WJECFoundationCurrent spec4 marks2D Area & Perimeter

7. In this question, you will be assessed on the quality of your organisation and communication.

Two rectangles are shown in the diagram below.

A small rectangle 4 cm by 2 cm and a large rectangle 20 cm by 6 cm

Diagram not drawn to scale

How many small rectangles will fit exactly into the large rectangle?
The small rectangles must not overlap and there must be no space left.
You must show all your working. [3 + 1 OC]

Mark scheme

Scheme	Marks	Comments
(Number across = 20÷4=) 5 OR ( Number down = 6÷2 =) 3	B1	Sight of 5 or 3, not in incorrect statement or working
(Total number of small rectangles =) 5 × 3	M1	FT ‘their stated across and down’
15	A1	CAO
Organisation and Communication	OC1	For OC1, candidates will be expected to: present their response in a structured way explain to the reader what they are doing at each step of their response lay out their explanation and working in a way that is clear and logical write a conclusion that draws together their results and explains what their answer means

Alternative

7. Alternative method

Scheme	Marks	Comments
(Area rectangle A=2×4=) 8 (cm²) OR (Area rectangle B=6×20=) 120 (cm²)	B1	Sight of 8 or 120, not in incorrect statement or working
(No. of rectangle A=) 120 ÷ 8	M1	FT ‘their stated areas’
15	A1	CAO

The scheme prints this alternative in italics.