Practice Weight Measurement in Math
Use these practice problems to test your method after reviewing the concept explanation and worked examples.
Quick Recap
Measuring how heavy something is using standard units such as grams, kilograms, ounces, and pounds, by comparing an object's weight against known reference amounts on a balance or scale.
A balance scale is like a seesaw—the heavier side goes down. To find out how heavy something is, add known weights to the other side until the scale balances perfectly.
Example 1
easyA bag of flour weighs 5 pounds. A bag of sugar weighs 3 pounds. Which is heavier, and by how much?
Example 2
mediumA balance scale shows that 1 toy car balances with 6 blocks. If each block weighs 2 ounces, how much does the toy car weigh?
Example 3
mediumA recipe calls for 1.5 kg of flour. How many grams is that? If you only have a scale in pounds, how many pounds? (1\text{ kg} \approx 2.205\text{ lb})
Example 4
easyA puppy weighs 8 pounds and a kitten weighs 4 pounds. How much do they weigh together?
Example 5
mediumA backpack weighs 9 pounds. After removing some books it weighs 5 pounds. How much did the books weigh?