Mobile Math: Number Hunter

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 a value of 216 has 2 strings. The left string has 3 orange triangles. The right string has 2 red squares and 1 yellow hexagon. The value of the hexagon is 38.

Follow-up 1

You decide the total value of the mobile. What values should each of the shapes have so the mobile is balanced?

A balanced mobile with an unknown value has 2 strings. The left string has 3 orange triangles. The right string has 2 red squares and 1 yellow hexagon. The value of the hexagon is 38.

Follow-up 2

If the value of the orange triangle is 246, how can you change the value of the other shapes so that the mobile remains balanced?

A balanced mobile with an unknown value has 2 strings. The left string has 3 orange triangles. The right string has 2 red squares and 1 yellow hexagon. The value of each triangle is 246.

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Reference for Educators