Number Review

Content Slideshows

Copy of Radicals (Surds)

Surds

In this slideshow you will learn about simplifying surds, performing operations with surds and rationalising the denominator.

Indices

Laws of exponents

In this slideshow you will learn about the laws of exponents. This is considered prior learning from Grades 9 and 10.

Exponents

Rational exponents

This slideshow is for Applications HL and Analysis students only.

In this slideshow you will learn about how to apply the laws of exponents when the exponent is a rational number.

Intro to Logs

Intro to logarithms

In this slideshow you will been taken through a brief introduction to logarithms with base 10 and base e. All students should be able to numerically evaluate logarithms using technology.

Significant Figures and Scientific Notation

Scientific notation and significant figures

In this slideshow you will learn about rounding decimal places, scientific notation and significant figures. This is considered prior learning from Grades 9 and 10. Please remember also, that unless otherwise stated, all answers in IB exams must be given to 3 significant figures.

Logarithms

Laws of logarithms

This slideshow is for Applications HL and Analysis students only.

In this slideshow you will learn about the laws of logarithms.

Summary Notes - Logarithms

Summary Notes

Exponents and Logs.pdf

Exponents and Logs

Worksheets and IB Style Problems

End of Unit Number Review Formative Quiz and Solutions.pdf

Number Review IB Style Problems and Answers

Logs Practice.pdf

Logs Practice

Videos

Rounding and Significant Figures

Scientific Notation

1.1 Scientific Notation Part 1

1.1 Scientific Notation Part 2

1.5 Laws of Exponents

1.5 Logarithm Basics

AA 1.7 Rational Exponents

AA 1.7 Logarithms

AA 1.7 Laws of Logs

AA 1.7 Change of base

AA 1.7 Solving Exponential Equations

Number Review Quiz Q2 Index Law Solution.mp4

Number Review Quiz - Question 2 Index Law Solution

Solving Exponential Equations Kog 1.mp4

Solving Exponential Equations Kognity Problem

Solving Logarithmic Equations Kog 5.mp4

Solving logarithmic Equations Kognity

Kognity Logs.mp4

Kognity question about Logs

KognityLogs.mp4

Kognity question about Logs

'e' Euler's Number

TOK Connections

Do the names we give things impact how we understand them?
Is mathematics invented or discovered? For example, consider the number e or logarithms - did they already exist before man defined them?
Is mathematical reasoning different from scientific reasoning, or reasoning in other areas of knowledge?

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