Edexcel GCSE Maths 1MA1 2F Aiming for 5 Spring 2023 MDDM

Here is another paper walkthrough, recorded with a live group. This series looks at the Aiming for grade 5 papers put together by Edexcel. This would be excellent revision for any aiming for a grade 4-6.
Solutions are my own, so may contain errors.
A blank copy of the paper can be found here:
To get the most out of the video, I would recommend you attempt the questions before watching the solutions.
Any issues, questions or problems, please comment and I will get back to you.
Time stamp-
0:00 Introduction
0:37 Q1- Correlation and causation
04:29 Q2- Change between standard units and compound units
08:28 Q3- Percentages and problems involving percentage change
10:48 Q4- Ratio in real context
14:09 Q5- Expand and factorise expressions
15:28 Q6- Generate terms of a sequence
17:02 Q7- Growth and decay, compound interest
18:15 Q8- Change between standard units and compound units
19:30 Q9- Measures of central tendency (median, mean, mode and modal class)
23:03 Q10- Solve problems involving direct and inverse proportion
24:30 Q11- Growth and decay, compound interest
25:53 Q12- Independent and dependent combined events
27:32 Q13- Roots, intercepts, turning points of quadratic functions
29:25 Q14- Order numbers
30:07 Q15- Rounding; Inequality notation to specify error interval
30:48 Q16- Solve two simultaneous equations
34:17 Q17- Measures of central tendency (median, mean, mode and modal class)
36:24 Q18- Areas of composite shapes
40:09 Q19- Rounding; Inequality notation to specify error interval
41:03 Q20- Transformations
41:52 Q21- Pythagoras’s Theorem and Trigonometry
42:52 Q22- Plans and elevations of 3D shapes
43:59 Q23- Percentages and problems involving percentage change
44:53 Q24- Geometrical problems on coordinate axes
46:23 Closing remarks, skills map and Grade boundaries

GCSE Casio calculator links:
GCSE Maths set: