How to learn Grade 3: Mathematics

New Brunswick curriculum: Mathematics, Grade 3

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1. Statistics and Probability

1. Picture & Bar Graphs: Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories; solve put-together, take-apart, and compare problems using information presented in a bar graph
2. Reading and Comparing Bar Graphs: Solve comparison, sum, and difference problems using information presented in a bar graph

2. Shape and Space

1. Edges, vertices, and faces: Identify and describe properties of 3-D shapes including the number of edges, vertices, and faces
2. Regular and irregular polygons: Distinguish between regular and irregular polygons based on reasoning about equal sides and equal angles
3. Calculating with measurements: Measure, compare, add, and subtract lengths (m/cm/mm), mass (kg/g), and volume/capacity (l/ml) using standard units
4. Measuring Perimeters: Measure the perimeter of simple 2-D shapes
5. Estimating Lengths: Estimate lengths using units of inches, feet, centimetres, and metres
6. Measuring Liquids & Masses: Measure and estimate liquid volumes and masses of objects using grams, kilograms, and litres; solve one-step word problems involving mass or volume
7. Number of minutes in an hour: Know the number of minutes in an hour and the number of hours in a day
8. Time Units and Calendar Facts: Know the number of seconds in a minute and the number of days in each month, year, and leap year

3. Patterns and Relations

1. Two-Step Word Problems: Solve one- and two-step word problems within 100 using addition and subtraction, with unknowns in all positions
2. Number Pattern Relationships: Generate two numerical patterns using two given rules; identify relationships between corresponding terms; form ordered pairs and graph them on a coordinate plane

4. Number

1. Written Multiplication: Multiply two-digit and three-digit numbers by a one-digit number using formal written layout
2. Adding numbers: Add up to four two-digit numbers using strategies based on place value and properties of operations
3. Adding two two-digit numbers: Add and subtract two two-digit numbers using concrete objects, pictorial representations, and mental methods
4. Unit fractions: Recognise, find, and write fractions of a discrete set of objects: unit fractions and non-unit fractions with small denominators
5. Place Value to 1000: Solve number problems and practical problems involving place value of numbers up to 1000
6. Numbers to 10,000: Identify, represent, and estimate numbers up to 10,000 using different representations
7. Counting forwards and backwards (age 9+): Count forwards and backwards in steps of powers of 10 (10, 100, 1000, 10,000, 100,000) for any given number up to 1,000,000
8. Reading and writing numbers to 1000: Read and write numbers to 1000 in numerals, number names, and expanded form