Place value to a million and rounding
3 lessonsReading, writing and comparing whole numbers to a million, and rounding them to any place.
Multi-digit addition and subtraction
3 lessonsThe standard algorithms for adding and subtracting multi-digit numbers, and why they work.
Decimals: tenths and hundredths
4 lessonsExtending place value to the right of the ones place, writing tenths and hundredths as decimals, and comparing them.
Multi-digit multiplication
6 lessonsMultiplying up to four digits by one digit and two digits by two digits with place value, the area model and partial products.
Division with remainders
3 lessonsDividing up to four digits by one digit with partial quotients, and deciding what a remainder means in context.
Factors, multiples and primes
6 lessonsFinding all factor pairs of a number, telling primes from composites, and quick divisibility tests.
Equivalent fractions and comparing fractions
5 lessonsMaking equivalent fractions by multiplying or dividing, finding common denominators, and comparing fractions against benchmarks.
Adding and subtracting fractions and mixed numbers
4 lessonsAdding and subtracting fractions as joining and separating unit fractions, and rewriting between mixed numbers and improper fractions.
Multiplying a fraction by a whole number
2 lessonsA whole number times a fraction as repeated unit fractions, and finding a fraction of a whole-number amount.
Measurement conversions and measurement problems
10 lessonsConverting larger units to smaller ones in time, customary and metric systems, and solving measurement word problems.
Angles and measuring them
6 lessonsAn angle as an amount of turn, measured in degrees with a protractor, with angle measures that add.
Lines, angles, symmetry and classifying shapes
6 lessonsRight, acute and obtuse angles, perpendicular lines, and sorting triangles and polygons by their sides and angles.