Video: Understanding the Definition of Weight

While writing down a dog’s information for record, a vet wrote “18 pounds, 4 ounces”. Which of the following was the vet recording? [A] the dog’s height [B] the dog’s age [C] the dog’s weight

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Video Transcript

While writing down a dog’s information for record, a vet wrote 18 pounds, four ounces. Which of the following was the vet recording? The dog’s height, the dog’s age, or the dog’s weight?

The only clue that we have to help us answer this question is the information that the vet wrote down. In particular, we need to look carefully at the units of measurement. 18 pounds, four ounces. So what was the vet recording? We have three possible answers, the dog’s height, their age, or their weight. Let’s go through each possible answer.

We know that recording information about height is a way of saying how tall something is. If we’re measuring the height of a dog, we might use the units of measurement, centimetres, or millimetres, or even inches. Pounds and ounces are not a way of measuring height.

Perhaps the vet was recording the dog’s age. We know that recording information about age involves writing down the information about how old something is. If we’re talking about how old a dog is, we might measure that in years, possibly for a young dog, in months. We wouldn’t use pounds and ounces to measure age. So, the vet can’t be recording the age of the dog.

Well, we’re just left with the dog’s weight. This is how heavy it is. Are pounds and ounces a way of measuring weight? Yes, they are. We can measure weight using kilograms, grams, and also pounds and ounces. And so, because the vet wrote down 18 pounds, four ounces, we know that they were recording the dog’s weight.

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