23
Activity 5
The Twin’s Towers
Students develop the concept of a variable while solving problems using the bkey and the
Patterns and Functions
♦problem solving
♦percents
♦adding fractions
Materials
♦blocks or cutouts
♦student activity sheet (provided)
♦
Setup
Discuss the following situation with your class.
My twin brother and sister are building towers with blocks. They built them in the following ways.
➪Build the towers with blocks as you discuss this
activity or have the students build them with you.
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The twins want to know how many blocks they will need for a tower 27 levels high. Can you help them find this?
No. of levels | 1 | 2 | 3 | 4 | 5 . . . . . . | 27 |
No. of blocks | 3 | 4 | 5 | 6 | 7 . . . . . . | 29 |
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