Using “Benchmark” fraction one half to compare fractions.

This video lesson explains how to determine which fraction is larger when one has a denominator of 10 and the other has a denominator of 100. It uses a grid model to visually compare the fractions and highlights the importance of...

In this video, the teacher explains the concept of unit rates by using examples and pictures. They demonstrate how unit rates compare a measured quantity to one of another measured quantity, and emphasize that unit rates always compare...

In this video students will learn that a fraction is a mathematical expression that represents the division of one whole number by another. Viewers will come to understand that fractions are used and represented in relationships, in...

In this video, students learn how to describe the relationship between expressions involving fractions or decimals without actually calculating them. The teacher explains the common misunderstandings of multiplication and division,...

This video explains how to predict the product of a fraction less than one multiplied by a whole number using visual representations. It uses examples of comparing the total length of long jumps to demonstrate the concept.

For the first time, NASA’s Neil Gehrels Swift Observatory tallied the water lost from an interstellar comet as it approached and rounded the Sun. The object, 2I/Borisov, traveled through the solar system in late...