Instructional Video2:44
Curated Video

Adding Multi Digit Whole Numbers with a Carry

3rd - 5th
Add multi-digit whole numbers when a carry is needed.
Instructional Video3:42
Curated Video

Distributive Property and the Area of Rectangles

3rd - 5th
Represent the distributive property using the area of a rectangular model.
Instructional Video2:57
Curated Video

Addition of Multi-Digit Whole Numbers (Part 1)

3rd - 5th
Addition of Multi-Digit Whole Numbers.
Instructional Video4:26
Curated Video

Subtracting Integers Using Counters

3rd - 5th
Use counters to represent the subtraction of integers.
Instructional Video2:43
Curated Video

Adding Integers Using a Number Line

K - 12th
Represent the addition of integers on a number line.
Instructional Video3:39
Curated Video

Repeated Factor Expressions and Exponential Notation

3rd - 5th
Write a repeated factor expression in exponential form.
Instructional Video2:21
Curated Video

Describing Data (Part 1)

K - 12th
Describe a data distribution (number of observations, median, range, mode, maximum and minimum).
Instructional Video3:03
Curated Video

Book Pages (Find a whole when given a percent and a part in word problems)

3rd - 5th
Jillian read 60 percent of a book. If she read 33 pages, how long is the book?
Instructional Video4:30
Curated Video

Represent Division as Fractions Using Visual Models

3rd - 5th
Use visual models to solve word problems involving division of whole numbers leading to answers as fractions.
Instructional Video3:03
Curated Video

Finding Errors in Adding and Subtracting Fractions (Part 1)

3rd - 5th
Find the error when adding and subtraction fractions of unlike denominators using equivalent fractions.
Instructional Video5:30
Curated Video

Division Using the Area of a Rectangle

3rd - 5th
Use the area of a rectangle to divide whole numbers and find the relationship between multiplication and division.
Instructional Video3:45
Curated Video

Dividing a Whole Number by a Unit Fraction

3rd - 5th
Solve word problems involving dividing a whole number by a fraction.
Instructional Video2:09
Curated Video

Sam's Weight (Represent word problems involving multiplicative comparison using a symbol for the unknown where the number of groups is the unknown)

3rd - 5th
Sam's weight is 40 pounds while his brother Baby Rick weighs 8 pounds. How many times is Sam heavier than his brother?
Instructional Video2:43
Curated Video

Rounding to the Nearest Ten (Part 2)

3rd - 5th
Round multi-digit whole numbers to the nearest ten when no carry is needed.
Instructional Video3:19
Curated Video

Finding Factor Pairs Using Number Line

3rd - 5th
Find all factor pairs for a whole number using the number line.
Instructional Video2:49
Curated Video

Factors and Factor Pairs

K - 12th
Identify factors and factor pairs.
Instructional Video2:40
Curated Video

Addition Properties (Part 2)

3rd - 5th
Addition properties.
Instructional Video2:55
Curated Video

Organizing Measurement Data

K - 12th
Generate and organize fractional length measurement data (halves and quarters).
Instructional Video3:19
Curated Video

Reasonableness of Answers Using Rounding

K - 12th
Check for reasonableness of answers using rounding.
Instructional Video2:28
Curated Video

Expressing Rational Numbers as Repeating Decimals (Part 1)

K - 12th
Express rational numbers as repeating decimals.
Instructional Video4:03
Curated Video

Understanding Dividing Integers

K - 12th
Understand the division of integers.
Instructional Video2:56
Curated Video

Adding Rational Numbers Fractions

K - 12th
Add two rational numbers in fraction form.
Instructional Video2:43
Curated Video

Using Expressions to Describe Patterns (Example)

K - 12th
Write expressions to describe patterns.
Instructional Video2:34
Curated Video

Dividing Fractions by Whole Numbers Using Visual Models

K - 12th
Divide a fraction by a whole number using area models.