Math

Adding and Subtracting Decimals

Free Grade 3-5 explainer on adding and subtracting decimals. Learn to line up decimal points, use placeholder zeros, and check your work.

Adding Fractions with Unlike Denominators

Free Grade 3-5 explainer on adding fractions with unlike denominators. Step-by-step examples and three worked problems. No login needed.

Area of Triangles and Parallelograms

Free Grade 3-5 explainer on area of triangles and parallelograms. Learn the formulas, why they work, and how to apply them with clear examples.

Classifying Shapes and Angles

Free Grade 3-5 explainer on classifying shapes and angles. Learn angle types, triangle and quadrilateral classification, and missing angle rules.

Comparing and Ordering Fractions

Free Grade 3-5 explainer on comparing and ordering fractions. Learn to use common denominators, benchmarks, and number lines with clear examples.

Converting Between Fractions and Decimals

Free Grade 3-5 explainer on converting fractions and decimals. Learn three methods with step-by-step examples and a quick-reference chart.

Dividing Decimals

Free Grade 3-5 explainer on dividing decimals. Learn to divide decimals by whole numbers and decimals using clear step-by-step methods.

Dividing Fractions

Free Grade 3-5 explainer on dividing fractions. Learn the Keep-Change-Flip method with step-by-step examples and real-world problems. No login needed.

Division Word Problems

Free Grade 3-5 explainer on division word problems. Learn sharing vs grouping, remainder interpretation, and step-by-step problem solving.

Equivalent Fractions

Free Grade 3-5 explainer on equivalent fractions. Learn to find, simplify, and compare equivalent fractions with step-by-step examples.

Factors and Multiples

Free Grade 3-5 explainer on factors and multiples. Learn to find factor pairs, list multiples, and calculate GCF and LCM with clear examples.

Graphs and Data Interpretation

Free Grade 3-5 explainer on graphs and data interpretation. Learn to read bar graphs, line graphs, pictographs, and tables with confidence.

Introduction to Decimals

Free Grade 3-5 explainer on decimals. Learn place value, tenths, hundredths, and how decimals connect to fractions with clear examples.

Introduction to Negative Numbers

Free Grade 3-5 explainer on negative numbers. Learn the number line, comparing and ordering negatives, and real-world uses like temperature.

Long Division

Free Grade 3-5 explainer on long division. Learn to divide 2- and 3-digit numbers step by step with remainders, checking, and word problems.

Long Multiplication

Free Grade 3-5 explainer on long multiplication. Multiply 2- and 3-digit numbers step by step with carrying, partial products, and estimation.

Mean, Median, Mode and Range

Free Grade 3-5 explainer on mean, median, mode and range. Learn how to calculate each measure with step-by-step methods and clear examples.

Mixed Numbers and Improper Fractions

Free Grade 3-5 explainer on mixed numbers and improper fractions. Convert both ways with step-by-step examples. No login needed.

Multiplication Word Problems

Free Grade 3-5 explainer on multiplication word problems. Learn to identify key words, choose the right operation, and solve multi-step problems.

Multiplying Decimals

Free Grade 3-5 explainer on multiplying decimals. Learn to multiply by whole numbers and decimals and place the decimal point correctly.

Multiplying Fractions

Free Grade 3-5 explainer on multiplying fractions. Step-by-step method, three worked examples, real-world problems. No login needed.

Order of Operations (PEMDAS)

Free Grade 3-5 explainer on order of operations (PEMDAS). Learn the correct sequence for brackets, exponents, multiplication, division, and more.

Patterns and Sequences

Free Grade 3-5 explainer on patterns and sequences. Learn to find rules, extend arithmetic and geometric sequences, and predict any term.

Perimeter and Area

Free Grade 3-5 explainer on perimeter and area. Learn to calculate both for rectangles and squares with formulas and real-world examples.

Prime and Composite Numbers

Free Grade 3-5 explainer on prime and composite numbers. Learn definitions, the Sieve of Eratosthenes, prime factorisation, and key number facts.

Subtracting Fractions with Unlike Denominators

Free Grade 3-5 explainer on subtracting fractions with unlike denominators. LCD method, worked examples, real-world problems. No login needed.

Units of Measurement and Conversion

Free Grade 3-5 explainer on units of measurement and conversion. Learn metric and customary units for length, mass, volume, and time.

Volume of Rectangular Prisms

Free Grade 3-5 explainer on volume of rectangular prisms. Learn the formula, how to count unit cubes, and solve real-world volume problems.