Instructional Video2:47
Curated Video

Finding the Unknown Factor Using the Multiplication Table

3rd - 5th
Using the multiplication table to find unknown factor problems.
Instructional Video2:51
Curated Video

Finding the Product Using the Multiplication Table

3rd - 5th
Find the unknown whole product in a multiplication equation using the multiplication table.
Instructional Video1:58
Curated Video

Multiplication Using the Number Line

3rd - 5th
Interpret products using a number line.
Instructional Video3:18
Curated Video

Subtraction Using Base-Ten Blocks

3rd - 5th
Subtraction using base-ten blocks.
Instructional Video3:07
Curated Video

Rounding to the Nearest 10 (Part 2)

3rd - 5th
Rounding numbers to the nearest 10.
Instructional Video3:00
Curated Video

Graphing an Inequality Solution on a Number Line (Part 1)

3rd - 5th
Graphing an inequality solution on a number line "less than" and "greater than", "less than or equal to" and "greater than or equal to".
Instructional Video2:12
Curated Video

Balancing Equations and Properties of Equality (Part 2)

3rd - 5th
Balanced equations and pan-balances and properties of equality.
Instructional Video2:33
Curated Video

Subtracting Fractions Using the Number Line

3rd - 5th
Subtract fractions with unlike denominators using the number line.
Instructional Video6:31
Curated Video

Patterns and Relations

3rd - 5th
Generate two tuples where each tuple is derived from a distinct rule and identify the relationship between them.
Instructional Video3:24
Curated Video

Multiplication as Resizing (Part 1)

3rd - 5th
Interpreting multiplication as resizing with a scale factor greater than, less than or equal to 1.
Instructional Video3:31
Curated Video

Generating Equivalent Fractions (Part 1)

3rd - 5th
Add and subtract fractions with unlike denominators when one is a multiple of the other using equivalent fractions.
Instructional Video3:36
Curated Video

Fractions and Division (Part 2)

3rd - 5th
Extend the concept of division of two whole numbers that yield no remainder into any two whole numbers.
Instructional Video8:12
Curated Video

Approximating Square Roots Using Tables and Number Lines

9th - 12th
In this lesson, the teacher demonstrates two methods for approximating square roots without a calculator: using a table and using a number line. The teacher provides examples and walks through the steps for each method, allowing students...
Instructional Video2:54
Curated Video

Walking to School (Solve multiplicative comparison word problems involving finding the size of the group using bar models)

3rd - 5th
Sara walks from her house to school every day. Lilly also walks to school from her house every day. The distance from Lilly's house to the school is 3 times longer than the distance from Sara's house to school. If Lilly's house is 900...
Instructional Video2:02
Curated Video

Rounding to the Nearest Ten (Part 1)

3rd - 5th
Round multi-digit whole numbers to the nearest ten when no carry is needed.
Instructional Video3:04
Curated Video

Non-Repeating Number Patterns

3rd - 5th
Generate a number pattern that follows a given rule.
Instructional Video3:14
Curated Video

Multiples

K - 12th
Identify a multiple.
Instructional Video7:57
Curated Video

How Tall (Convert mixed numbers with a denominator of 10 or 100 to decimal numbers)

3rd - 5th
Ben, Katie, and Liz are measuring how tall they are. Ben is one and two tenths meters, Katie is one and five tenths meters, and Liz is one and eight tenths meters. How can we represent these numbers as decimals?
Instructional Video2:11
Curated Video

How Much Taller (Solve multiplicative comparison word problems involving finding the number of groups using bar models)

3rd - 5th
Baby Rick is 2 feet tall and his father is 6 feet tall. Obviously, the father is taller than Baby Rick. But how many times taller is he?
Instructional Video8:37
Curated Video

Decimals and Decimal Points

3rd - 5th
Understand decimal point and decimal notation.
Instructional Video1:13
Curated Video

Computing Times as Many Using Multiplication

3rd - 5th
Computing multiples using multiplication.
Instructional Video3:32
Curated Video

Characteristics of Elements in Patterns

3rd - 5th
Define the characteristic of the terms in a given rule of a number pattern.
Instructional Video2:36
Curated Video

Expressing Whole Numbers as Fractions Using the Number Line (Part 1)

3rd - 5th
Express whole numbers as fractions having 1 in the denominator using the number line.
Instructional Video3:04
Curated Video

Burgers and Shakes (Solve multi-step word problems using rounding.)

3rd - 5th
Sally and her friends want to buy 8 cheeseburger meals. They have $80, and each meal costs $9. Do they have enough money to pay for the meals? And if there is any money left over, how many milkshakes can they get, if each costs $2?