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Elementary

Grade 4

12 chapters58 lessons
1

Place value to a million and rounding

3 lessons

Reading, writing and comparing whole numbers to a million, and rounding them to any place.

2

Multi-digit addition and subtraction

3 lessons

The standard algorithms for adding and subtracting multi-digit numbers, and why they work.

3

Decimals: tenths and hundredths

4 lessons

Extending place value to the right of the ones place, writing tenths and hundredths as decimals, and comparing them.

4

Multi-digit multiplication

6 lessons

Multiplying up to four digits by one digit and two digits by two digits with place value, the area model and partial products.

5

Division with remainders

3 lessons

Dividing up to four digits by one digit with partial quotients, and deciding what a remainder means in context.

6

Factors, multiples and primes

6 lessons

Finding all factor pairs of a number, telling primes from composites, and quick divisibility tests.

7

Equivalent fractions and comparing fractions

5 lessons

Making equivalent fractions by multiplying or dividing, finding common denominators, and comparing fractions against benchmarks.

8

Adding and subtracting fractions and mixed numbers

4 lessons

Adding and subtracting fractions as joining and separating unit fractions, and rewriting between mixed numbers and improper fractions.

9

Multiplying a fraction by a whole number

2 lessons

A whole number times a fraction as repeated unit fractions, and finding a fraction of a whole-number amount.

10

Measurement conversions and measurement problems

10 lessons

Converting larger units to smaller ones in time, customary and metric systems, and solving measurement word problems.

11

Angles and measuring them

6 lessons

An angle as an amount of turn, measured in degrees with a protractor, with angle measures that add.

12

Lines, angles, symmetry and classifying shapes

6 lessons

Right, acute and obtuse angles, perpendicular lines, and sorting triangles and polygons by their sides and angles.