Pictures of tools give children a concrete way to talk about change over time. Compare two objects people use for the same job, then use the sort to discuss what is similar and what changed.
At a glance
Start with two familiar jobs, talk about evidence, and allow for tools that are still used today.
1. Name the job
Ask what people might need when the room is dark. Show two different tools used to make light and explain how each works.
2. Compare a feature
Look for what gives the objects light or makes them portable. Encourage children to show a picture detail that supports their answer.
3. Introduce the two sorting mats
Explain that the pictures show examples of older and newer tools. Sort one pair together and say why each picture fits its mat.
4. Discuss overlap
Point out that people can still use some older tools. Invite children to mention a similar object they know from their family or community.
5. Record a pair
Have students draw, point to, or write about two tools that do the same job. Ask them to name one difference.
A classroom example
In a fictional kindergarten group, Sal puts an older light on the Today mat because his family uses one outdoors. The teacher accepts the observation and asks him to compare it with the newer light in the picture.
Companion printable
The 8-page PDF contains two sorting mats, ten illustrated cards, a recording page, teacher directions, and a check page.
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