Lesson 9 Grams and Kilograms, Liters and Milliliters
Let’s explore measurements in grams, kilograms, liters and milliliters.
Warm-up Which One Doesn’t Belong: Meter, Meter on the Page
Which one doesn’t belong?
Activity 1 A Whole Lot of Paper Clips
One paper clip weighs 1 gram.
How many grams are the paper clips in each image?
The paper clips in this image weigh 1 kilogram.
What is the relationship between kilograms and grams?
Complete the table with the missing amounts in grams.
Which weighs more? Be prepared to explain how you know.
8 kilograms or 8 boxes with 100 paper clips in each box
1,250 paper clips or 1 kilogram
500 grams or 2 boxes of 250 paper clips in each box
kilogram or 500 paper clips
Activity 2 Liters and Milliliters
Estimate: How many times do we fill the 100-milliliter glass to get 1 liter of liquid? (Assume that each time the liquid is filled to the 100-milliliter line.)
Write a sentence to describe the relationship between milliliters and liters.
How many times do we need to fill each of these containers to get 1 liter?
A 1-milliliter medicine dropper
A 250-milliliter measuring cup
A 20-milliliter cup
Complete the table with the missing amounts in liters or milliliters.
A bottle of water holds 250 milliliters.
How many of those bottles does it take to make 1 liter?
How many liters of water does the bottle hold?
Jada’s backpack weighs 3.5 kg. How many grams is Jada’s backpack? Explain or show your reasoning.