Curriculum Grade 3

Arithmetic

Addition and Subtraction of 3-digit numbers
- Standard algorithm
- Mental math strategies: adding and subtracting compatible numbers, rounding, adding and subtracting parts
Multiplication and Division
- Understanding the concept of multiplication as repeated addition
- Multiplying a 2-digit number by a 1- digit-number using distributive law for multiplication
- Mental math strategies: finding compatible numbers, rounding
- Understanding the concept of division as an inverse of multiplication
- Division with remainder
Order of operations: introduction
Fractions: introduction to basic concepts
- Improper fractions and mixed numbers
- Equivalent fractions
- Comparing fractions
Number Sense
- Understanding of 4-digit numbers. Value and place value
- Guess the number puzzles
- Missing numbers puzzles

Identifying basic plane figures
- Angles
- Polygons
Introduction to area and perimeter of rectangles
Introduction to volume
Identifying basic types of solids
- Vertices, edges and faces of polyhedrons
- Shapes with curved surfaces
- Composite solids
Transformations and symmetry
Development of spatial and geometric thinking
- Dissections of squares and circles
- Coloring regions on a map problems
- Copying and transforming designs on a grid
- Paper folding and cutting problems
- Unicursal tracing
- Engineering drawing and projections

Methods and techniques for solving logic problems
- Logic grids
- Introduction to sets and Venn diagrams
Relations and ordering
Nonverbal reasoning: analogies, patterns, grouping and classification of objects
More difficult logic problems: pigeonhole principle, fencepost error, jug problems, crossing the river problems

One step and multi-step word problems involving addition, subtraction, multiplication and division of whole numbers