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Benchmark Customary Units

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  • width of a computer mouse 2 inches or 2 feet
    2 inches
  • height of a ladder? 6 inches or 6 feet
    6 feet
  • length of a couch? 2 inches or 2 yard
    2 yards
  • A mini-chameleon is about 1 inch long. It spends much of its time on the ground hiding under leaves. Which is the best estimate for the length of a leaf the mini-chameleon might hide under?6 inches or 6 feet?
    6 inches