Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Complete the Number Patterns Based on the Multiplication Table

3rd - 4th
[Free Registration/Login may be required to access all resource tools.] This video demonstrates how to use knowledge of multiplication facts to skip count by 6. [1:23]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Determining the Amount Needed to Fill a Container

3rd - 5th
[Free Registration/Login may be required to access all resource tools.] Video explaining how to calculate how much of a container has not been filled. [2:16]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Finding Speed by Calculating Total Distance

3rd - 5th
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to solve a word problem involving distance, speed, and time. [1:06]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Finding Speed by Calculating Total Time

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to solve a multi-step word problem involving distance, speed, and time. [1:08]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Finding Speed When Objects Travel in Opposite Directions

3rd - 5th
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to solve a word problem where they must calculate speed when two objects are driving in opposite directions. [1:06]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Finding the Difference Between Two Time Intervals

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to solve a word problem where they must calculate the difference between two amounts of elapsed time. [1:03]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Finding Distance Between Two Objects at Certain Point in Time

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to solve a word problem where they must calculate the distance between two objects traveling at different speeds after a given amount of...
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Finding the Maximum Number Given a Statement

3rd - 5th
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to find the highest number that would make a division statement true when one of the digits is unknown. [1:32]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Finding the Minimum Number Given a Statement

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Video explaining how to find the smallest digit missing in a number that will make the given statement about the quotient true. [1:20]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Finding the Missing Number

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Video explaining how to find the digit missing in a number that will make the given statement about the quotient true. [1:58]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Finding the Total Distance Between Two Objects

3rd - 5th
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to solve a word problem where one must calculate the distance between two locations when objects setting out from each are traveling at...
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Finding the Total Time Given a Distance Between Two Objects

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to solve a word problem where one must calculate how long two vehicles had been traveling after leaving separate locations and moving towards...
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Find the Cost Word Problems

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to find the value of two unknown variables when given the amounts they cost in different combinations. [1:58]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Length Comparisons Using Data Tables (English Units)

3rd - 5th
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to read a data table showing the lengths of four rivers and solve problems where the lengths are compared. [2:44]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Measuring Lengths in Centimeters

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to measure the length of line segments using a ruler divided into centimeters. [1:56]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Multi Step Calculations to Find Capacity (Metric Units)

3rd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to use illustrations to calculate answers to questions about capacity in metric units. [2:03]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview Equivalent Decimals Ending in Zero

4th - 5th
[Free Registration/Login may be required to access all resource tools.] Video explaining how to interpret decimals that end with one or more zeros and when zero becomes a placeholder. [1:15]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of 24 Hour Clocks

3rd - 4th
[Free Registration/Login may be required to access all resource tools.] Video explaining how to read a 24-hour clock and how to convert from 12 hours to 24 hours. [2:32 sec.]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of 24 Hour Time Format

3rd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] Video explaining a process for solving word problems involving beginning and ending times and elapsed time. [2:35]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Addition (Sums to 1,000)

3rd - 4th
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to add two 3-digit numbers vertically with no regrouping. [1:04]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Analog and Digital Clocks

3rd - 4th
[Free Registration/Login may be required to access all resource tools.] Video explains the difference between analog and digital time and how to convert from digital to analog, paying close attention to where to place the hour hand based...
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Angles

4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Video providing a detailed explanation of what angles, segments, rays, and vertexes are, and how angles are named and measured. [4:23]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Capacity Iii (Metric Units)

3rd - 4th
[Free Registration/Login may be required to access all resource tools.] Video explaining the steps to follow for understanding what a word problem about capacity is asking you to do. [0:32]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Capacity Ii (Metric Units)

3rd - 4th
[Free Registration/Login may be required to access all resource tools.] Video explaining the steps to follow that can help when solving problems about metric capacity. [0:52]