Mass Conversion and Measurement Problems

The video tutorial for fifth graders covers the conversion of mass units, specifically milligrams, grams, and kilograms. It explains the process of multiplying or dividing by 1,000 when converting between these units. The teacher provides examples, including a football player's mass, and guides students through practice problems. The lesson concludes with problem-solving exercises and a summary of key concepts.

What is the relationship between milligrams, grams, and kilograms in terms of conversion?

• Multiply by 100 when converting from larger to smaller units.

• Divide by 1000 when converting from smaller to larger units.

• Multiply by 1000 when converting from smaller to larger units.

• Divide by 100 when converting from larger to smaller units.

If a football player weighs 100 kg, how many grams does he weigh?

• 1,000,000 grams

• 1,000 grams

• 100,000 grams

• 10,000 grams

How many milligrams are there in 100 kilograms?

• 1,000,000,000 milligrams

• 100,000,000 milligrams

• 1,000,000 milligrams

• 100,000 milligrams

What is the equivalent of 137,000 milligrams in grams?

• 1.37 grams

• 137 grams

• 1,370 grams

• 13.7 grams

Which has a greater mass: 1 kilogram or 137,000 milligrams?

• Cannot be determined

• 137,000 milligrams

• 1 kilogram

• Both are equal

Convert 9.25 grams to milligrams.

• 925,000 milligrams

• 9,250 milligrams

• 925 milligrams

• 92,500 milligrams

How many kilograms are 17,000 grams?

• 0.17 kilograms

• 170 kilograms

• 17 kilograms

• 1.7 kilograms

Convert 18 kilograms to grams.

• 1,800 grams

• 18,000 grams

• 180,000 grams

• 1,800,000 grams

What is the difference in milligrams between 1 gram and 227 milligrams?

• 773 grams

• 1,227 milligrams

• 227 milligrams

• 773 milligrams

How many grams are equivalent to 50,000 milligrams?

• 500 grams

• 50 grams

• 5 grams

• 0.5 grams