What is an acid?, Acid and alkali solutions, Metal oxides and non-metal oxides, Acid reactions in everyday life, Alkalis and bases, Characteristic reactions of acids, Acids and alkalis in chemical analysis, Salts, Preparing soluble salts, Preparing insoluble salts, Strong and weak acids and alkalis
Continue reading "Acid, Bases, Salts - IGCSE Chemistry (solutions, examples, worksheets, videos)"
Chemical analysis and investigation, Inorganic analysis, Organic analysis, Experimental design, and investigation, Practical examinations
Continue reading "Chemical Analysis - IGCSE Chemistry (solutions, examples, worksheets, videos)"
States of Matter and Separation Techniques, Atoms, Elements and Compounds, Chemical bonding, Structure of substances, examples and step by step solutions, Chemistry of Groups 1, 7 and 0, Chemistry of Oxygen, Carbon Dioxide and Hydrogen, Reactivity Series, Tests for Ions, Redox, Displacement, Electrolysis, Extraction and Uses of Metals, Calculations involving Moles, Rates of Reaction, Energy Changes and Calorimetry, Acids, Bases and Salts, Equilibrium and Industrial Processes, Organic Chemistry
Continue reading "IGCSE Chemistry (solutions, examples, worksheets, videos)"
Questions, Solutions and Video Walkthroughs for Edexcel Mathematics Specimen, Calculator paper 3, for GCSE 9 - 1, examples, questions and step by step solutions
Questions, Solutions and Video Walkthroughs for Edexcel Mathematics Specimen, Calculator paper 2 Higher, for GCSE 9 - 1, examples, questions and step by step solutions
Questions, Solutions and Video Walkthroughs for Edexcel Mathematics Specimen, Calculator paper 2 Higher, for GCSE 9 - 1, examples, questions and step by step solutions
Questions, Solutions and Video Walkthroughs for Edexcel Mathematics Specimen, Calculator paper 2, for GCSE 9 - 1, examples, questions and step by step solutions
Questions, Solutions and Video Walkthroughs for Edexcel Mathematics Specimen, No Calculator paper 1, for GCSE 9 - 1, examples, questions and step by step solutions
Questions, Solutions and Video Walkthroughs for Edexcel Mathematics Specimen, No Calculator paper 1 Higher, for GCSE 9 - 1, examples, questions and step by step solutions
How to solve Problem Sums using Singapore Math - Examples and Worked Solutions of Word Problems, Comparison Model, Algebra, Area, Geometry, Percentage, Rate, Ratio, Speed
Continue reading "Problem Sums (solutions, examples, diagrams, videos)"
How to answer questions for Geometry Common Core Regents Exam, High School Math, January 2017, examples, step by step solutions and tips
Questions, Solutions for C1 AP Calculus AB 2017, examples, answers and step by step solutions
Continue reading "AP Calculus AB 2017 Exam (solutions, questions, videos)"
How to share and critique peer strategies for solving problems of varied types, Common Core Grade 1
Continue reading "Word Problems Grade 1 (solutions, examples, homework, worksheets, lesson plans)"
How to solve compare with bigger or small unknown problem types, Common Core Grade 1
Continue reading "Solve Word Problems (solutions, examples, homework, worksheets, lesson plans)"
How to use dimes and pennies as representations of numbers to 120, examples and step by step solutions, Common Core Grade 1
Continue reading "Dimes, Pennies, Numbers (solutions, examples, homework, worksheets, lesson plans)"
How to count on using pennies from any single coin, examples and step by step solutions, Common Core Grade 1
Continue reading "Counting Coins (solutions, examples, homework, worksheets, lesson plans)"
How to identify varied coins by their image, name, or value. Add one cent to the value of any coin., examples and step by step solutions, Common Core Grade 1
Continue reading "Coin Names and Values (solutions, examples, homework, worksheets, lesson plans)"
How to identify quarters by their image, name, or value. Decompose the value of a quarter using pennies, nickels, and dimes, examples and step by step solutions, Common Core Grade 1
Continue reading "Decompose Coin Values (solutions, examples, homework, worksheets, lesson plans)"
How to identify pennies, nickels, and dimes by their image, name, or value. Decompose the values of nickels and dimes using pennies and nickels, examples and step by step solutions, Common Core Grade 1
Continue reading "Coins and their Values (solutions, examples, homework, worksheets, lesson plans)"
How to solve and share strategies for adding two-digit numbers with varied sums, examples and step by step solutions, Common Core Grade 1
Continue reading "Addition Strategies (solutions, examples, homework, worksheets, lesson plans)"
How to add a pair of two-digit numbers with varied sums in the ones, and compare results of different recording methods, examples and step by step solutions, Common Core Grade 1
How to add a pair of two-digit numbers when the ones digits have a sum greater than 10 with drawing, Record the new ten below, examples and step by step solutions, Common Core Grade 1
How to add a pair of two-digit numbers when the ones digits have a sum greater than 10 with drawing, Record the total below, examples and step by step solutions, Common Core Grade 1
How to add a pair of two-digit numbers when the ones digits have a sum greater than 10 using decomposition, examples and step by step solutions, Common Core Grade 1
States of Matter and Separation Techniques, Atoms, Elements and Compounds, Chemical bonding, Structure of substances, examples and step by step solutions, Chemistry of Groups 1, 7 and 0, Chemistry of Oxygen, Carbon Dioxide and Hydrogen, Reactivity Series, Tests for Ions, Redox, Displacement, Electrolysis, Extraction and Uses of Metals, Calculations involving Moles, Rates of Reaction, Energy Changes and Calorimetry, Acids, Bases and Salts, Equilibrium and Industrial Processes, Organic Chemistry
Continue reading "IGCSE Chemistry (solutions, examples, worksheets, videos)"
What is organic chemistry, Homologous series, What are Alkanes, What are Isomers, Properties of Alkanes, Cracking hydrocarbons, What are Alkenes, Isomers in Alkenes, What are Alcohols?, What does Polymerization mean, Addition reactions of Alkenes, Making ethanol, Reactions of ethanol, Carboxylic acids, How to make ethanoic acid, What are esters, Condensation polymerization, How to make Nylon, What are Biopolymers, How to make carbohydrates, proteins, fats, Hydrolysis of macromolecules, Making dacron
Continue reading "IGCSE Organic Chemistry (solutions, examples, worksheets, videos)"
How to use the Sum and Difference Identities for sine, cosine and tangent, how to use the sum identities and difference identities to simplify trigonometric expressions and to prove other trigonometric identities, examples and step by step solutions
Continue reading "Sum and Difference Identities (solutions, examples, videos)"
Finding Arcs Lengths on a circle, Arc of a circle, Central Angle, Arc Measure, Arc Length Formula, how to calculate the arc length using the arc length formula in degrees and in radians, examples and step by step solutions, how to calculate the arc length using the arc length formula
Continue reading "Arc of a Circle (solutions, examples, worksheets, videos)"
Measuring Angles using a protractor. The diagrams, videos and activities will show you how to use a protractor to measure angles, examples and step by step solutions, when to use the outer scale or inner scale
Continue reading "Measuring angles (diagrams, examples, solutions, videos)"
How to add a pair of two-digit numbers when the ones digits have a sum less than or equal to 10, examples and step by step solutions, Common Core Grade 1
Continue reading "Add Two-digit Numbers (solutions, examples, homework, worksheets, lesson plans)"
How to add a multiple of 10 to any two-digit number within 100, examples and step by step solutions, Common Core Grade 1
Continue reading "Add Multiples of 10 (solutions, examples, homework, worksheets, lesson plans)"
How to add and subtract multiples of 10 from multiples of 10 to 100, including dimes, examples and step by step solutions, Common Core Grade 1
How to represent up to 120 objects with a written numeral, place value chart, examples and step by step solutions, Common Core Grade 1
How to count to 120 in unit form using only tens and ones. Represent numbers to 120 as tens and ones on the place value chart, examples and step by step solutions, Common Core Grade 1
Continue reading "Count to 120 Unit Form (solutions, examples, homework, worksheets, lesson plans)"
How to count and write numbers to 120. Use Hide Zero cards to relate numbers 0 to 20 to 100 to 120, examples and step by step solutions, Common Core Grade 1
Continue reading "Count to 120 (solutions, examples, homework, worksheets, lesson plans)"
How to use the symbols
How to identify 10 more, 10 less, 1 more, and 1 less than a two-digit number within 100, examples and step by step solutions, Common Core Grade 1
How to write and interpret two-digit numbers to 100 as addition sentences that combine tens and ones, examples and step by step solutions, Common Core Grade 1
Continue reading "Addition Sentences (solutions, examples, homework, worksheets, lesson plans)"
How to use the place value chart to record and name tens and ones within a two-digit number up to 100, examples and step by step solutions, Common Core Grade 1
Continue reading "Name Tens and Ones (solutions, examples, homework, worksheets, lesson plans)"
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.