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Curated Video
Understanding Graphs of Proportional Relationships
Understand the graph of a proportional relationship.
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Types of Lines of Symmetry
What are the different types of lines of symmetry? Learn about them in this video.
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Comparing Graphs and Equations Representing Proportional Relationships
Compare graphs and equations to determine which relationship had a greater rate of change.
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Place Values and Division by Ten
Understand the relation between place values and digits as a division by 10.
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Car Tires (Multiply whole measurements of mass to make an estimate using repeated addition or properties of place value.)
A car tire can weigh 12 kilograms. What is the weight or mass of all 4 tires in one car?
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Making Smoothie (Representing the product of a whole number and a fraction using area models)
Devon is making a smoothie. The recipe calls for two thirds of a cup of yogurt. He wants to make smoothies for a few of his friends as well, so he decides to make four times the amount, or in other words multiply the recipe by four. How...
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Building Fractions Using the Number Line
Combine fractions from unit fractions on the number line.
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Shortcuts when Comparing Decimals (To Thousandths)
Learn quick ways of comparing two decimal numbers without using a place-value chart!
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Multiplying a Whole Number by a Unit Fraction Using the Number Line
Multiply a whole number (a) by a fraction of the form (1/b) and recognize the equivalence of a×(1/b) and a/b on the number line.
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Long Division (Two-Digit Dividend) (Part 2)
Find whole-number quotients by dividing two-digit whole numbers (dividend) by one-digit whole numbers (divisor) using long division (standard algorithm).
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Milkman (Multiplying whole measurements of volume using repeated addition or properties of place value.)
A milkman delivers 30 liters of milk every hour. How many liters does he deliver in 5 hours?
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Whole Numbers as Fractions Using Visual Models (Part 1)
Express whole numbers as fractions having 1 in the denominator using visual models.
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Equivalent Fractions Using the Number Line
Introducing equivalent fractions using the number line.
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Swimming Competition (Use equivalent fractions to solve word problems involving subtraction of fractions with like and unlike denominators)
Jason is training for the upcoming national swimming competition. This morning he swam a few laps which totaled seven ninths of a mile. In the evening he swam some more laps which totaled two thirds of a mile. How much different is the...
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Division Using Multiplication Table
Solving division problems using the multiplication table.
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Solving One-Step Equations Using a Pan-Balance
Representing and solving one-step equations on a pan-balance.
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Finding Multiples Using Area Models
Find some of the multiples of a one-digit whole number.
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Door Opening (Identify measurements of special types of angles (e.g. right angles, straight angles, zero angles, acute and obtuse angles))
What does the shape between the door and its edge remind you of?
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Comparing Whole Numbers in Words (Example)
Compare two multi-digit whole numbers in base-ten numerals.