# S4 School Closure Work

### S4 NATIONAL 5 CLASSES

Classes taught by Mrs Steedman, Mr Young, Mr Trewartha, Mr Matheson and Mrs Ingis(currently Mr Wood).

### WORK FOR THE WEEK OF 29th of June

This week’s work is Angles inside a semi-circle.
Watch this video clip
Attempt these two pages.

The two pages are all of this weeks work.

WORK FOR THE WEEK OF 22nd of June
Worded Simultaneous Equations questions
Lessons 1 and 2 Worded Simultaneous Equations questions
Watch the video clip
This is two lessons work remember.
From your textbook have a go at the questions from Ex4.5 on pages 40 – 41.
If you do not have your textbook contact your teacher on TEAMs for more information. If you would like to watch a video of another question like this
watch this video clip from 1 minute 16 seconds until the end
of the simultaneous equation question.
Lesson 3
Non – calculator work
From your textbook try the non – calculator review exercise on page 34 in your textbook.
See how far you can get in 30 minutes.

WORK FOR THE WEEK OF 15th of June
SIMULTANEOUS EQUATIONS
Lesson 1
Solving Simultaneous Equations Introduction
Watch this video up until 4 minutes and 10 seconds
https://corbettmaths.com/

Then from this worksheet
try question 1 a) – f) and all of question 2. WORKSHEET 1
Lesson 2
Solving Simultaneous Equations by multiplying one of the equations
Watch this video from 5 minutes 45 seconds until 11 minutes 12 seconds
https://corbettmaths.com/2013/03/05

Then do all the questions from
this worksheet WORKSHEET 2
Lesson 3
Solving Simultaneous Equations by multiplying both equations
Watch this video from 11 minutes 12 seconds until the end
https://corbettmaths.com/2013/03/05
Then from the worksheet try question 3 only from the WORKOUT section.
There are a lot of questions here so just do any 9 of them.
https://corbettmaths.com/wp- CORBETT WORKSHEET

WORK FOR THE WEEK OF 8th of June
SIMILAR SHAPES
Lesson 1
Similar shapes – sides
Start by watching the video
https://corbettmaths.com/
Now try questions 1 – 3 from the worksheet.
If these questions seem too easy then try questions 4 – 9 instead.
https://corbettmaths.
Lesson 2
Similar shapes area
Start by watching the video
https://corbettmaths.com/
Now try questions 1, 3, 4, 6 and 9 only
from the worksheet.
https://corbettmaths.com/wp
lesson 3
Similar shapes volume
Start by watching the video
Now try questions 2, 11, 8, 10 and 17 only
from the worksheet.
https://corbettmaths.com/wp-

WORK FOR THE WEEK OF 3rd of June
REVISION OF THE STRAIGHT LINE
Lesson 1
Find the equation of a straight line given the y intercept
Watch the video
https://corbettmaths.com/2013/05/29/
Now from the worksheet try questions 6 and 7

Lesson 2
Find the equation of a straight line given any two points
Watch the video from last lesson again if you need to.
https://corbettmaths.com/2013/05//
Now from the worksheet try questions 9 and 10.
https://corbettmaths.com/wp-

WORK FOR THE WEEK OF 25th of may
REVISION OF STRAIGHT LINE
Lesson 1 Gradient of a straight line Watch the video https://corbettmaths.com/ Then from this worksheet
do questions 1, 3 and 5 only https://corbettmaths.com
Lesson 2 Gradient between two points Watch this video https://corbettmaths.com/ Then from the worksheet
do questions 6 only https://corbettmaths.com/
Lesson 3 Equation of a straight line intro Watch this video https://corbettmaths.com/ Then from the worksheet
do question 5 only https://corbettmaths.com/

WORK FOR THE WEEK OF 18th of may
INDICES
Lesson 1
rules of indices
Watch this video clip
https://corbettmaths.com
Now from the exercise do
all the questions in the first column
of questions 1 – 5
and then all of question 6.
https://corbettmaths.com/
Lesson 2
negative indices
Watch this video clip
https://corbettmaths.com
Now from the exercise do
all the questions in the first column
of questions 1 – 6,
and then try all of question 7 and 8.
https://corbettmaths.com
Lesson 3
indices with fractions
Watch this video clip
https://corbettmaths.com
Now from the exercise do
all the questions in the first column
of questions 1 – 9.
https://corbettmaths.com

WORK FOR THE WEEK OF 11th of may
The focus for this week is to revise what we have learnt about surds. Please pace yourself and DO NO MORE THAN 30 MINUTES OF WORK PER LESSON
Lesson 1
simplifying
Watch this video clip
https://corbettmaths.com Now from the worksheet Do 30 minutes of work starting at Q1 but dont go further than Q7 WORK DOWN THE PAGE AND
DO THE LEFT HAND COLUMN ONLY

https://corbettmaths.com
Lesson 2
Further simplifying
If necessary, watch the video clip from lesson 1 again. Now from the worksheet
try questions 8 – 10
https://corbettmaths.com/ WORK DOWN THE PAGE AND
DO THE LEFT HAND COLUMN ONLY
If you have time after this
Watch this video clip
https://corbettmaths.com from the same worksheet
try questions 11 - 12 AGAIN..LEFT HAND COLUMN IS ALL THAT'S REQUIRED
Lesson 3
From the worksheet
Do 30 minutes of work from the APPLY section of questions
(miss out question 7)
DO NOT USE A CALCULATOR
There are some tricky questions so ask your teacher for any help along the way. https://corbettmaths.com

YOU MAY FOCUS ON ANY AREAS YOU NEED PRACTICE ON DURING THIS TIME OF REVISION
WORK FOR THE WEEK OF 4th of may

The focus for this week is to go back and to revise some of the key topics from S3.

Lesson 1
Factorising A Difference of Two Squares
Watch the video clip
https://corbettmaths.com/2013/02/08
Now try questions 1 and 2 from this worksheet.
https://corbettmaths.com/wp-content
(The other questions are there as an extension for those who wish to try them)

https://corbettmaths.com/wp-content
Lesson 2
For today’s lesson there are choices!
If you are still a bit unsure with this topic then watch this video clip
https://corbettmaths.com/2013/02/06/
From the worksheet
do some of questions 1 – 4 but make sure you can do ALL of question 5.
https://corbettmaths.com/wp-content/uploads If you are stronger with this topic then watch this video clip
https://corbettmaths.com/2013/02/07
From the worksheet
do some of questions 1 – 3 but make sure you do ALL of question 4 from BOTH sections of the worksheet.
https://corbettmaths.com/wp-content
https://corbettmaths.com/wp-content
HOLIDAY FRIDAY

WORK FOR THE WEEK OF 27th of APRIL
5 fig summery and SIQR
Lesson 1
5 figure summary
Watch the video clip
This is a very long video
so you may find you have the
idea of what is required
after the first 5 minutes
Now do Ex 11.2 on page 106
and 107
Lesson 2
Semi-Interquartile Range
Watch the video clip from
5 minutes 40 seconds up until 12 minutes
and 40 seconds.
The video mentions that it is important
that you do learn the formula for the semi-interquartile range
because it is not given in the exam
Now do Ex 11.3 on page 108 in your textbook.
Now do 2015 paper 1 question 10 from this link
You can  get a worked solution
to this question by watching this video
Lesson 3
Chapter 11 review
This is an opportunity to review the work covered on statistics, semi-interquartile range, and standard deviation.
We no longer cover box plots in the National 5 course so you can have a look at that exercise for information if you want.
Do page 115 in your textbook
(miss out Question 5 part b)

WORK FOR THE WEEK OF 20th of APRIL
statistics
Lesson 1 Watch video’s 50 and 53 from https://corbettmaths.com/contents/  and do the textbook exercises on median and mean. This should be revision but these are essential skills for what comes next. Lesson 2 Watch the video https://m.youtube.com/watch then from your own Teejay N5 textbook complete P113-114 Q3-7 Lesson 3 First try the questions found here https://www.bbc.co.uk/bitesize/ and check your answers. Then complete 2014 Paper 2,  2016 Paper 2 , 2018 Paper 2 from http://madrasmaths.com/courses
If you would like to really challenge yourself you can try 2014 Paper 1 and 2017 Paper 1 from this document, these are non calculator questions so be careful and try to do them without your calc.

WORK FOR THE WEEK OF 30th of MARCH

ALGEBRAIC FRACTIONS

Lesson 1 and 2 Watch video number 24 from https://corbettmaths.com/contents/  and do all of the textbook exercise questions. This will also provide you with practice at factorising trinomials, have a look at corbett maths videos 118 and 119 if you need practice at doing this.

Lesson 3 Page 96 from your Teejay N5 textbookremember the corbettmaths videos are there for you, watch them again if necessary

WORK FOR THE WEEK OF 23RD MARCH
Algebraic Fractions
Lesson 1 Watch video number 21 from https://corbettmaths.com/contents/   do the textbook exercise questions 1-4 . For further practice you can also look at Exercise 9.3 page 92 and 93 of your textbook. Lesson 2 Watch video number 23 from https://corbettmaths.com/contents/   do the textbook exercise questions 1-3. For further practice you can also look at Exercise 9.4 page 95 of your textbook. Lesson 3 Watch video number 22 from https://corbettmaths.com/contents/  do the textbook exercise questions 1-2. For further practice you can also look at Exercise 9.4 page 95 of your textbook.