Kiki’s switch test

Year 6 · Student investigation

Which part changes the answer when we switch it off?

Draw, point or explain aloud. A partner or adult may record your words.

Predict before seeing the answer

Will removing head 0 from block 0 change the answer, only its probability, or neither?

Two comparisons

What did you change? What stayed the same? What did you notice?

Challenge your first explanation

Try the same switch on two cards. A switch that matters on one card may not matter on the next.

Make and explain

A before-and-after table for two cards and a carefully limited cause-and-effect claim.

Limit the claim

This activity can show _ . It cannot tell us _ . A new case I would test is ____ .

Use fictional data. Download or print your work before leaving.