Activity

Grade
5

Mobile Math: 6 and 1.2

Look at the mobile below. What do you notice? What do you wonder?

Find the missing values so that the mobile is balanced.

A balanced mobile with 2 strings. The left string has 1 pentagon and 1 triangle. The right string has 3 triangles and 1 square. The value of the pentagon is 6. The value of the triangle is 1.2. The value of the square is unknown.

Write an equation that describes all or part of the mobile.

If the value of the triangle is still 1.2, but the values of the pentagon and square have changed, what could their values be, so that the mobile remains balanced?

A balanced mobile with 2 strings. The left string has 1 pentagon and 1 triangle. The right string has 3 triangles and 1 square. The value of the triangle is 1.2. The values of the other shapes are unknown.