How many bricks does Rosa need to make a border around her garden? This video lesson models how students can use what they know about shapes to solve a problem. Students will find the perimeter of the garden by adding the length of all four sides of the square.

Which cup of kernels will produce the most popcorn? Encourage students to make a hypothesis, then watch the video to see the answer.

This video teaches students to multiply two mixed numbers by changing them to improper fractions, then how to multiply and simplify.

Students will expand their knowledge of rational numbers with this video. They will learn about rational numbers written as fractions shown on a number line.