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**Disclaimer**:
*InThinking* subject sites are neither endorsed by nor connected with
the International Baccalaureate Organisation.

### Forthcoming Workshops

#### Mathematics: Delivering the MYP Curriculum

IBMYP Category 2

Berlin, Germany

15 to 17 March 2019

more info

#### Mathematics: Implementing the MYP curriculum

IBMYP Category 1

Berlin, Germany

8 to 10 November 2019

more info

Find all *InThinking* Workshops at www.inthinking.net

### School visits

If you are interested in **Tim Garry** visiting your school to work with teachers and/or students, please
**contact us**.

### Home-2-Home

The vacation home exchange service for the IB community.

*Feel at home when you travel the world.*

**www.home2home-inthinking.co.uk**

# Latest updates

### Problem of the Dayfree13 December 2018

There are currently 320 problems (160 SL + 160 HL) with more problems added every week. There are separate pages for the SL Problem of the Day and for the HL Problem of the DayThere are two growing sets... more

### SL Problem of the Day13 December 2018

Click here to go to the list of SL ProblemsSL Problem of the Day #160The problems below are all original - in that I wrote them mysellf. Some of them are modelled after questions I've found in various... more

### Sets of HL Review Exercises12 December 2018

Below are sets of review exercises for the Maths HL core syllabus. Some cover certain sections of the HL core syllabus content, and others have exercises from all parts of the HL core syllabusAll of the... more

### Review Materialsfree12 December 2018

This section will contain collections of review questions for both HL and SL. There are three sub-pages included under this page:1. Sets of SL(HL) Review Exercises2. Sets of HL(SL) Review Exercises3.... more

### exponents & logarithmsfree10 December 2018

Quick links:► downloadable teaching materials for exponents & logarithms► syllabus content for the Algebra Topic: SL syllabus (see syllabus section 1.2); HL syllabus (see syllabus section 1.2). more

### HL Problem of the Day9 December 2018

Click here to go to the list of HL ProblemsHL Problem of the Day #160The problems below are all original - in that I wrote them mysellf. Some of them are modelled after questions I've found in various... more

### sequences & seriesfree6 December 2018

Quick links:► downloadable teaching materials for sequences & series► syllabus content for the Algebra Topic: SL syllabus (see syllabus section 1.1); HL syllabus (see syllabus section 1.1). more

### basics/composite & inverse functionsfree2 December 2018

Quick links:► downloadable teaching materials for function basics and composite & inverse functions► syllabus content for the Topic: SL syllabus (see syllabus section 2.1); HL syllabus (see syllabus... more

### P.o.t.M. #1-Nov 2018 solution2 December 2018

(a) The diagram at right (not to scale) shows the unique circle passing through \(\left( {1,0} \right)\), \(\left( {0,18} \right)\) and \(\left( {0,0} \right)\). These points are the vertices of a right triangle (shaded yellow). The hypotenuse of... more

### P.o.t.M. #1-Nov 20182 December 2018

note: This problem is suitable for both SL and HL students[modified on 2 December 2018]Any technology is allowed(a) Find the exact length of the diameter of the circle that passes through \(\left( {1,0} \right)\),... more