3rd Grade: Math
A team of Northshore School District educators curated these supplemental learning resources to support asynchronous learning opportunities. This page includes instructional videos from open educational resources that were used during the 2020-21 school year.
Quarter 1
Quarter 1 Math
Big Ideas & Concepts
- Multiplication and Division
- Understand and explain what it means to multiply or divide numbers.
- Multiply all one-digit numbers from memory (knowing their times table).
- Multiply one-digit numbers by multiples of 10 (such as 20, 30, 40).
- Apply problem-solving skills and strategies for multiplying and dividing numbers up through 100 to solve word problems.
Instructional Videos
- Khan Academy: Introduction to multiplication
- Khan Academy: Multiplication as equal groups
- Khan Academy: Multiplication as repeated addition
- Khan Academy: Multiplication on the number line
- Khan Academy: Multiplication as groups of objects
- Khan Academy: More ways to multiply
- Khan Academy: Distributive property when multiplying
- Khan Academy: Properties and patterns for multiplication
- Khan Academy: Multiplication in real world contexts
- Khan Academy: Multiplication word problem: parking lot
- Khan Academy: Commutative property of multiplication
- Khan Academy: Division as equal groups
- Khan Academy: Visualizing division with arrays
- Khan Academy: Division in context
- Khan Academy: Division word problem: school building
- Khan Academy: Relating division to multiplication
- Learn Zillion: The Carrot Patch: Use equal groups to understand multiplication
- Learn Zillion: Represent multiplication using arrays
- Learn Zillion: Practice representing multiplication with arrays
- Learn Zillion: Using multiplication and division to solve word problems involving measurement
Quarter 2
Quarter 2 Math
Big Ideas & Concepts
- The Remaining Multiplications
- Problem Solving and Multiples of 10
- Length, Capacity, Weight and Mass
- Time and Date
- Pictographs, Bar Graphs, and Line Plots
Instructional Videos
- Equal groups
- Introduction to multiplication
- Multiplication as repeated addition
- Multiplication as equal groups
- More ways to multiply
- Distributive property when multiplying
- Properties and patterns for multiplication
- Understanding mass (grams and kilograms)
- Word problems with mass
- Understanding volume (liters)
- Word problems with volume
- Telling time to the nearest minute (labeled clock)
- Telling time to the nearest minute (unlabeled clock)
- Telling time review
- Time differences example
- Time word problem: travel time
- Time word problem: puzzle
- Creating picture and bar graphs
- Creating picture graphs
- Solving problems with picture graphs
- Reading picture graphs
- Interpreting picture graphs: paint
- Interpreting picture graphs: notebook
- Reading picture graphs: multi-step
- Creating picture and bar graphs
- Creating bar graphs
- Reading bar graphs: movies
- Reading bar graphs
- Interpreting bar graphs: colors
- Reading bar graphs: multi-step
- Graphing data on line plots
- Read line plots
- Line plots review
Quarter 3 & 4
Quarter 3 & 4 Math
Big Ideas & Concepts
- Types of Word Problems
- Solve Two Step Word Problems
- Analyzing Triangles and Quadrilaterals
- Area and Perimeter
- Fraction Concepts
Equivalent Fractions
Instructional Videos
- Setting up 2-step word problems
- 2-step word problem: truffles
- 2-step word problem: running
- 2-step word problem: theater
- Area introduction
- Count unit squares to find area
- Area formula intuition
- Multiply to find area
- Area and the distributive property
- Decompose figures to find area
- Perimeter: introduction
- Perimeter of a shape
- Find perimeter by counting unit squares
- Finding perimeter when a side length is missing
- Finding missing side length when given perimeter
- Perimeter review
- PBS: Calculating Rectangular Area
- Kids Academy: Calculating Perimeter
- Kids Academy: Two Step: Multiplication Word Problems
- MiaAcademy: 4 Steps in Solving Any Word Problem
- MiaAcademy: Part A: Problem Solving
- MiaAcademy: Part B: Problem Solving
- BrainPop Jr: Solving Word Problems
- MiaAcademy: How to find area of squares and Rectangles
- MiaAcademy: How to Find Perimeter Part I
- MiaAcademy: How to Find Perimeter Part II