iBOS School - Invidious

iBOS School

International British Online School
iBOS is the world’s pioneering accredited British online Primary, Secondary & Sixth Form School that teaches the full British National Curriculum to international Key Stage 4 (GCSE) and Key Stage 5 (A-Level) students globally via live and interactive online video lessons. We are based in London, and recruit the most enthusiastic and knowledgeable teachers to work with us and inspire our students, moving our school forward for generations of students to come.
- Guaranteed ratio of 1 adult to 15 students in all lessons
- Students on average make 30% more progress than at other schools
- All our teachers are British-trained with experience of teaching the British Curriculum
- Up to 10 iGCSEs and 5 International A-Level subjects
- Outstanding/bespoke resources, including unlimited access to previously recorded lessons
- Individual weekly progress reports
iBOS is working closely with CIS as a prospective full-time member

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9:50

R4a Fraction of an Amount | GCSE Maths | Finding Fractions of Quantities | Grade 4–6

iBOS School

Shared 5 days ago

2 views

6:38

R8 Percentage Increase Decrease Non Calculator | GCSE Maths | Mental Percentage Methods | Grade 5–7

iBOS School

Shared 6 days ago

2 views

10:15

R26 Direct and Inverse Proportion GCSE Maths | Introduction for Foundation & Higher

iBOS School

Shared 1 week ago

3 views

6:28

N54H Index Laws Higher | GCSE Maths | Multiplying, Dividing & Simplifying Indices | Grade 6–8

iBOS School

Shared 1 week ago

0 views

7:30

N55H Recurring And Terminating Fractions | GCSE Maths | Grade 7–9

iBOS School

Shared 1 week ago

6 views

6:51

N53 Manipulating Decimals | GCSE Maths | Decimal Calculations | Grade 4–6

iBOS School

Shared 1 week ago

6 views

10:21

R28 Direct and Inverse Proportion | GCSE Maths | Proportional Relationships | Grade 6–9

iBOS School

Shared 2 months ago

16 views

7:22

R29 Compound Measures Population Density | GCSE Maths | Density Calculations | Grade 6–8

iBOS School

Shared 2 months ago

10 views

9:45

R17 Recipe Style Questions | GCSE Maths | Ratio Problem Solving | Grade 5–7

iBOS School

Shared 2 months ago

12 views

7:02

R16 Ratio Maps and Scales | GCSE Maths | Scale Calculations | Grade 5–7

iBOS School

Shared 2 months ago

20 views

6:44

R15b Ratio Sharing More Than One Ratio | GCSE Maths | Multi-Step Ratio Sharing | Grade 6–8

iBOS School

Shared 2 months ago

4 views

5:22

R15a Ratio Sharing an Amount | GCSE Maths | Dividing Quantities in a Ratio | Grade 5–7

iBOS School

Shared 2 months ago

11 views

6:17

R14 Ratio Writing in the Form 1 to N | GCSE Maths | Simplifying Ratios | Grade 5–7

iBOS School

Shared 2 months ago

5 views

7:14

R13 Ratio Simplifying | GCSE Maths | Simplifying Ratios | Grade 4–6

iBOS School

Shared 3 months ago

6 views

4:47

R12 Reverse Percentages | GCSE Maths | Finding Original Values | Grade 6–8

iBOS School

Shared 3 months ago

5 views

4:02

R10 Percentages Simple Interest | GCSE Maths | Calculating Interest | Grade 5–7

iBOS School

Shared 3 months ago

3 views

13:46

R11 Percentages Compound Interest Growth Decay | GCSE Maths | Compound Percentage Change | Grade 7–9

iBOS School

Shared 3 months ago

3 views

4:28

R9a Percentage Increase Decrease Calculations | GCSE Maths | Percentage Change | Grade 5–7

iBOS School

Shared 3 months ago

5 views

7:46

R7 Percentage of an Amount | GCSE Maths | Finding Percentages | Grade 4–6

iBOS School

Shared 3 months ago

9 views

9:20

R9b Percentage Increase Decrease Using Single Multiplier | GCSE Maths | Percentage Multipliers

iBOS School

Shared 3 months ago

2 views

8:20

R5 Percentages Expressing One Number as a Percentage of Another | GCSE Maths | Grade 5–7

iBOS School

Shared 3 months ago

2 views

4:34

R6 Percentage Change | GCSE Maths | Calculating Percentage Change | Grade 5–7

iBOS School

Shared 3 months ago

0 views

6:54

R4b Fraction of an Amount Reverse | GCSE Maths | Finding the Whole from a Fraction | Grade 5–7

iBOS School

Shared 3 months ago

8 views

13:21

N62H Surds Rationalise the Denominator | GCSE Maths | Rationalising Surds | Grade 7–9

iBOS School

Shared 3 months ago

43 views

10:30

N61H Surds Expanding Brackets | GCSE Maths | Multiplying Surds | Grade 7–9

iBOS School

Shared 3 months ago

4 views

5:17

N60H Surds Adding and Subtracting | GCSE Maths | Simplifying Surds | Grade 6–8

iBOS School

Shared 3 months ago

5 views

11:00

N59H Surds Introduction | GCSE Maths | Understanding Surds | Grade 6–7

iBOS School

Shared 3 months ago

4 views

11:58

N58H Upper and Lower Bounds Accuracy | GCSE Maths | Rounding and Accuracy | Grade 6–8

iBOS School

Shared 3 months ago

5 views

5:07

N56H Recurring Decimals to Fractions | GCSE Maths | Converting Recurring Decimals | Grade 6–8

iBOS School

Shared 3 months ago

9 views

4:56

N57H Upper and Lower Bounds Calculations | GCSE Maths | Bounds Problem Solving | Grade 7–9

iBOS School

Shared 3 months ago

16 views

6:52

R18 Value for Money GCSE Maths | Best Buys and Unit Pricing Explained

iBOS School

Shared 4 months ago

14 views

8:33

R19 Exchanging Money GCSE Maths | Currency and Ratio Questions Explained

iBOS School

Shared 4 months ago

3 views

9:11

R20 Speed Non Calculator GCSE Maths | Compound Measures Without Calculator

iBOS School

Shared 4 months ago

17 views

8:45

R21 Speed Calculations GCSE Maths | Compound Measures Formula Questions

iBOS School

Shared 4 months ago

5 views

6:36

R22 Converting km/h to m/s GCSE Maths | Speed Unit Conversion Explained

iBOS School

Shared 4 months ago

28 views

1:41

Teachers Who Previously Served at iBOS Share Their Experiences

iBOS School

Shared 4 months ago

23 views

5:51

R23 Speed Time Graphs GCSE Maths | Distance from Graphs Explained

iBOS School

Shared 4 months ago

5 views

10:58

R24 Density GCSE Maths | Mass Volume Density Formula Explained

iBOS School

Shared 4 months ago

12 views

11:32

R25 Pressure GCSE Maths | Compound Measures Explained | Exam Practice

iBOS School

Shared 4 months ago

9 views

7:28

R27 Direct and Inverse Proportion GCSE Maths | Exam Questions Explained | Grade 6–8

iBOS School

Shared 4 months ago

11 views

1:16

Studying for iGCSEs at iBOS | Online British School Student Testimonial

iBOS School

Shared 4 months ago

24 views

1:05

International British Online School 🎥 LIVE Virtual Open Event – 29 November, 2025

iBOS School

Shared 7 months ago

325K views

2:09

Online Private School – 50% Off Fees | Apply Now

iBOS School

Shared 8 months ago

490K views

6:08

GCSE Maths | Converting Metric Units (Length) R1

iBOS School

Shared 8 months ago

22 views

1:24

iBOS student's share their experience in online learning

iBOS School

Shared 11 months ago

38 views

2:47

iBOS -International British Online School

iBOS School

Shared 1 year ago

780K views

1:29

Online Education Connecting People

iBOS School

Shared 1 year ago

49 views

0:22

iBOS Kicking off the New Year

iBOS School

Shared 1 year ago

36 views

4:23

N29 BIDMAS GCSE Maths Explained | Brackets Indices Division Multiplication Addition Subtraction

iBOS School

Shared 1 year ago

0 views

4:16

N49 Listing Combinations GCSE Maths | Systematic Method Explained | Exam Questions

iBOS School

Shared 1 year ago

2 views

8:24

P2 Averages and Range GCSE Maths | Mean Median Mode Explained

iBOS School

Shared 1 year ago

0 views

5:42

P23 Probability and Listing Outcomes GCSE Maths | Sample Outcomes Explained

iBOS School

Shared 1 year ago

4 views

5:21

P25 Probability of an Event Not Happening GCSE Maths | Complement Rule Explained

iBOS School

Shared 1 year ago

2 views

6:50

P26 Relative Frequency GCSE Maths | Experimental Probability Explained

iBOS School

Shared 1 year ago

4 views

5:54

P27 Two Way Tables GCSE Maths | Probability from Tables Explained

iBOS School

Shared 1 year ago

5 views

6:26

P29 Venn Diagrams Terminology GCSE Maths | Union, Intersection, Complement Explained

iBOS School

Shared 1 year ago

2 views

3:21

P30 Frequency Trees GCSE Maths | Probability Exam Questions Explained

iBOS School

Shared 1 year ago

4 views

11:10

P31 Probability AND and OR Rules GCSE Maths | Addition and Multiplication Rule Explained

iBOS School

Shared 1 year ago

2 views

11:05

P32 Probability Tree Diagrams GCSE Maths | Independent Events Explained | Grade 7–9

iBOS School

Shared 1 year ago

0 views

3:14

iBOS School- iStudent App Training Video

iBOS School

Shared 1 year ago

88 views