Videos for Number and Algebra - IB
These comprehensive video lessons help IB Mathematics Analysis and Approaches (AA) students Standard Level (SL) and Higher Level (HL) understand and master the essential concepts needed for success in IB Exams. Each video focuses on Number and Algebra and is aligned with the IB Mathematics Analysis and Approaches (AA) syllabus, ensuring focused learning on functions and equations, calculus, complex numbers, sequences and series, and probability and statistics. Students can watch and rewatch anytime, anywhere, perfect for visual learners, reinforcing complex concepts, and understanding IB methodology. By using RevisionDojo's video lessons consistently, learners build deep understanding and enter the exam with confidence.
SL 1.2—Arithmetic sequences and series
SL 1.3—Geometric sequences and series
SL 1.4—Financial apps – compound interest, annual depreciation
SL 1.5—Intro to logs
SL 1.6—Simple proof
SL 1.7—Laws of exponents and logs
SL 1.8—Sum of infinite geo sequence
SL 1.9—Binomial theorem where n is an integer
AHL 1.10—Perms and combs, binomial with negative and fractional indices
13 min
AAHL 1.10.1 Product and addition principles
AHL 1.10—Perms and combs, binomial with negative and fractional indices
14 min
FREE
AAHL 1.10.2 Factorials and arrangements
AHL 1.10—Perms and combs, binomial with negative and fractional indices
14 min
AAHL 1.10.3 Algebra of factorials
AHL 1.10—Perms and combs, binomial with negative and fractional indices
22 min
AAHL 1.10.4 Combinations and permutations
AHL 1.10—Perms and combs, binomial with negative and fractional indices
15 min
FREE
AAHL 1.10.5 Keeping objects together or separated
AHL 1.10—Perms and combs, binomial with negative and fractional indices
11 min
AAHL 1.10.6 Binomial theroem extension
AHL 1.10—Perms and combs, binomial with negative and fractional indices
11 min
AASL 1.1 Scientific notation
AHL 1.10—Perms and combs, binomial with negative and fractional indices
AHL 1.11—Partial fractions
AHL 1.12—Complex numbers – Cartesian form and Argand diag
AHL 1.13—Polar and Euler form
AHL 1.14—Complex roots of polynomials, conjugate roots, De Moivre’s, powers & roots of complex numbers
15 min
AAHL 1.14.1 Complex solutions to polynomial equations
AHL 1.14—Complex roots of polynomials, conjugate roots, De Moivre’s, powers & roots of complex numbers
10 min
FREE
AAHL 1.14.2 De Moivre's Theorem
AHL 1.14—Complex roots of polynomials, conjugate roots, De Moivre’s, powers & roots of complex numbers
15 min
AAHL 1.14.3 Roots of complex numbers
AHL 1.14—Complex roots of polynomials, conjugate roots, De Moivre’s, powers & roots of complex numbers
7 min
AAHL 1.14.4 Roots of unity
AHL 1.14—Complex roots of polynomials, conjugate roots, De Moivre’s, powers & roots of complex numbers
AHL 1.15—Proof by induction, contradiction, counterexamples
17 min
AAHL 1.15.1 Proof by induction (series)
AHL 1.15—Proof by induction, contradiction, counterexamples
13 min
FREE
AAHL 1.15.2 Proof by induction (differentiation)
AHL 1.15—Proof by induction, contradiction, counterexamples
12 min
AAHL 1.15.3 Proof by induction (divisibility)
AHL 1.15—Proof by induction, contradiction, counterexamples
24 min
AAHL 1.15.4 Proof by induction (inequalities)
AHL 1.15—Proof by induction, contradiction, counterexamples
12 min
AAHL 1.15.5 Proof by induction (De Moivre)
AHL 1.15—Proof by induction, contradiction, counterexamples
11 min
AAHL 1.15.6 Proof by contradiction (intro)
AHL 1.15—Proof by induction, contradiction, counterexamples
6 min
AAHL 1.15.7 Proof by contradiction (root 2)
AHL 1.15—Proof by induction, contradiction, counterexamples
10 min
FREE
AAHL 1.15.8 Proof by contradiction (infinite primes)
AHL 1.15—Proof by induction, contradiction, counterexamples
7 min
AAHL 1.15.9 Use of counterexample
AHL 1.15—Proof by induction, contradiction, counterexamples