Compare and Convert Metric Units of Weight

This lesson introduces the concepts of kilograms and grams, focusing on their sizes and conversions. It explains the use of conversion charts and the metric system, highlighting the main units of weight. The lesson includes problem-solving exercises to convert between grams and kilograms, emphasizing the importance of understanding unit conversions. It concludes with a comparison of weights to reinforce the concepts learned.

What is the main unit of weight in the metric system?

• Gram

• Ounce

• Pound

• Inch

How many milligrams are there in one gram?

• 10

• 100

• 10,000

• 1,000

What does the prefix 'kilo' mean in the metric system?

• 10,000

• 1,000

• 100

• 100,000

How many centigrams make up one gram?

• 1,000

• 100

• 50

• 10

If Mikie needs 5,000 grams of stone, how many kilograms does he need?

• 5 kilograms

• 4 kilograms

• 3 kilograms

• 2 kilograms

What is the weight limit for trucks on the bridge in grams?

• 2,500 grams

• 2,000 grams

• 1,000 grams

• 1,500 grams

Which weighs more: 1,000 grams of rocks or 1 kilogram of feathers?

• It depends on the material

• They weigh the same

• 1 kilogram of feathers

• 1,000 grams of rocks