Reason with measurement units and solve unit conversion problems using different strategies.
Reason about the size of each measurement unit to determine if you would have more or less of each unit described below.
a. You have 5 feet of ribbon. Do you have more or less than 5 cm of ribbon?
b. You have 3 cups of milk. Do you have more or less than 3 liters of milk?
c. You have 6 kilograms of corn. Do you have more or less than 6 grams of corn?
d. You are traveling 30 miles per hour. Is that faster or slower than 30 meters per hour?
There are approximately 2.54 cm in every inch. A book measures 7 inches tall. How tall is the book in centimeters?
There are 4 cups in a quart.
a. A recipe for lemonade calls for 2 ½ quarts of water. How many cups of water should you use for the recipe?
b. You measure out 15 cups of water. How many quarts is this?
The conversion rates between kilograms and pounds are:
1 kg $$\approx$$ 2.2 lbs
1 lb $$\approx$$ 0.454 kg
a. How many kilograms is a backpack that weighs 6 pounds? Show how you arrive at your answer.
b. How many pounds is a cat that weighs 11 kilograms? Show how you arrive at your answer.