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The Slop Problem

From Peg + Cat · 2013

The Slop Problem
13 minK1st2ndMath
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Summary

Down on the Farm, Peg and Cat enlist the Teens to help them wash a barnful of filthy animals — but the animals come in every size, so figuring out who needs how much soapy slop turns into a sorting-by-size, more-and-less problem. A full segment from the Emmy-winning PBS KIDS math show.

Viewer safety

All ages
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Teaching resources

Discussion questions

Discussion

Peg and Cat have to clean animals of all different sizes, deciding who needs more slop and who needs less.

  1. Which animal would need *more* slop to get clean — a big one or a small one? Why?
  2. Peg counts by fives (5, 10, 15, 20, 25). What number comes next if she keeps going?
  3. When Peg gets stuck, she takes a deep breath and counts. What do you do when a problem feels too big?

Quick work-a-long

Vocabulary: more, less, group, count by fives.

Try it: Make two piles of counters — one with more, one with less. Then count a pile of objects by fives up to 25 (5, 10, 15, 20, 25).