Gradeless
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Good Reason?

Someone says it's the best — but why? Spot the weak reasons, count how many they really checked, and find the fair test.

Reasoning & Checking Work · Grades 3–4 · 8 levels · Free

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8 levels

  1. Good reason or not?
  2. Name the weak reason
  3. How many did they check?
  4. Fair tests
  5. Cause, or just together?
  6. Look-alike reasons
  7. Every kind of reason
  8. Everything, timed

What it practises

  • Good Reasons and Weak Ones
  • How Many Did They Check?
  • Fair Tests and Causes

More Reasoning & Checking Work lessons

Gradeless is free: short math and learning lessons for kids in kindergarten to grade 5, each one starting where your child is. For grown-ups