Identifying Strategies for Accurate Measurement
Measurement, and more...
 
1. EASY

Which is a better tool to measure your height, a meter-stick or your judgement?

 
2. EASY

Would you use a scale, a ruler, your hands, or a watch to measure your weight?

 
3. MEDIUM

Which is a better tool to measure a 25m tall pine tree, a meter-stick or a 30cm ruler?

 
4. HARD

Annie argued that she could measure her height with the width of her pinky finger, which she claims is 1cm. Which of the following is most true about Annie's claim?

  1. She can't; it's impossible.
  2. She could, but it would take too long and would be inaccurate.
  3. Annie's right!
  4. She can't because her finger is too short.
  5. She could but she can't measure herself.
 
5. HARD

Your cat weighs about 11 kg. Which of the following is the closest to your cat's weight?

  1. A 10kg stone and a 2kg brick
  2. Your 22kg dog and her 1kg puppy
  3. A 2kg turkey and an 8kg tub of water
  4. Three 2kg turkeys, a 2kg wedding cake, and a 3kg Christmas tree
  5. Yourself