Stock Footage4:44
Bridgeman Arts

Battle of Stalingrad, 1942

Pre-K - Higher Ed
Soviet forces fight back against Nazi attacks. Snow, casualties; destruction and warfare. 1942.
Stock Footage2:40
Bridgeman Arts

Allied troops and paratroopers in training for Operation Overlord; Eisenhower, Montgomery and Churchill inspect.

Pre-K - Higher Ed
Allied troops and paratroopers in training for Operation Overlord; Eisenhower, Montgomery and Churchill inspect. Features CU of paratrooper during descent from plane.
Instructional Video5:51
Curated OER

How Do You Put Fractions and Decimals in Order?

4th - 7th
Many young mathematicians skip problems like this because they just don't want to do the work to figure it out. A series of fractions and decimal numbers that they have to put in some order. So they have to do some converting and if long...
Instructional Video5:51
Curated OER

How Do You Put Fractions, Decimals, and Percents in Order?

4th - 7th
A series of fractions, decimal numbers, and percentages that have to be put in some order. Many young mathematicians skip problems like this because they have to do some converting and if long division is involved many definitely skip...
Instructional Video
Sophia Learning

Sophia: Finding the Gcf With a Factor Tree: Lesson 11

7th - 8th
This lesson demonstrates the usefulness of a factor tree when trying to find the greatest common factor. It is 11 of 15 in the series titled "Finding the GCF with a Factor Tree."
Instructional Video
Sophia Learning

Sophia: Finding the Gcf With Factor Charts: Lesson 1

7th - 8th
This lesson demonstrates the usefulness of a factor chart when trying to find the greatest common factor. It is 1 of 10 in the series titled "Finding the GCF with Factor Charts."
Instructional Video
Sophia Learning

Sophia: Finding the Gcf With a Factor Tree: Lesson 13

7th - 8th
This lesson demonstrates the usefulness of a factor tree when trying to find the greatest common factor. It is 13 of 15 in the series titled "Finding the GCF with a Factor Tree."
Instructional Video
Sophia Learning

Sophia: Finding the Gcf With a Factor Tree: Lesson 2

7th - 8th
This lesson demonstrates the usefulness of a factor tree when trying to find the greatest common factor. It is 2 of 15 in the series titled "Finding the GCF with a Factor Tree."
Instructional Video
Sophia Learning

Sophia: Finding the Gcf With a Factor Tree: Lesson 3

7th - 8th
This lesson demonstrates the usefulness of a factor tree when trying to find the greatest common factor. It is 3 of 15 in the series titled "Finding the GCF with a Factor Tree."
Instructional Video
Sophia Learning

Sophia: Finding the Gcf With a Factor Tree: Lesson 4

7th - 8th
This lesson demonstrates the usefulness of a factor tree when trying to find the greatest common factor. It is 4 of 15 in the series titled "Finding the GCF with a Factor Tree."
Instructional Video
Sophia Learning

Sophia: Finding the Gcf With a Factor Tree: Lesson 6

7th - 8th
This lesson demonstrates the usefulness of a factor tree when trying to find the greatest common factor. It is 6 of 15 in the series titled "Finding the GCF with a Factor Tree."
Instructional Video
Sophia Learning

Sophia: Finding the Gcf With a Factor Tree: Lesson 1

7th - 8th
This lesson demonstrates the usefulness of a factor tree when trying to find the greatest common factor. It is 1 of 15 in the series titled "Finding the GCF with a Factor Tree."
Instructional Video
Sophia Learning

Sophia: Finding the Gcf With Factor Charts: Lesson 2

7th - 8th
This lesson demonstrates the usefulness of a factor chart when trying to find the greatest common factor. It is 2 of 10 in the series titled "Finding the GCF with Factor Charts."
Instructional Video
Sophia Learning

Sophia: Finding the Gcf With Factor Charts: Lesson 6

7th - 8th
This lesson demonstrates the usefulness of a factor chart when trying to find the greatest common factor. It is 6 of 10 in the series titled "Finding the GCF with Factor Charts."
Instructional Video
Sophia Learning

Sophia: Finding the Gcf With a Factor Tree: Lesson 5

7th - 8th
This lesson demonstrates the usefulness of a factor tree when trying to find the greatest common factor. It is 5 of 15 in the series titled "Finding the GCF with a Factor Tree."
Instructional Video
Sophia Learning

Sophia: Finding the Gcf With a Factor Tree: Lesson 9

7th - 8th
This lesson demonstrates the usefulness of a factor tree when trying to find the greatest common factor. It is 9 of 15 in the series titled "Finding the GCF with a Factor Tree."
Instructional Video
Sophia Learning

Sophia: Finding the Gcf With Factor Charts: Lesson 9

7th - 8th
This lesson demonstrates the usefulness of a factor chart when trying to find the greatest common factor. It is 9 of 10 in the series titled "Finding the GCF with Factor Charts."
Instructional Video
Sophia Learning

Sophia: Finding the Median From a Graph

9th - 10th
This lesson shows how to identify the median by looking at a graph of the data.