Lin is learning to make barley soup, using a family recipe. Here are some ingredients in the recipe:
cup barley
cups chopped celery
cups chopped carrots
1 cup chopped onions
cups vegetable broth
Lin only has one measuring cup that measures cup. Show how Lin could use the cup to measure the ingredients in the recipe.
Barley:
Celery:
Carrots:
Onions:
Vegetable broth:
Lin finds a -cup. She can now measure the ingredients, using both a -cup and a -cup. Show how she could use the cups to measure the ingredients in the recipe.
Barley:
Celery:
Carrots:
Onions:
Vegetable broth:
Activity 2
Use different combinations of fifths to make a sum of .
Write different ways to use thirds to make a sum of . How many can you find? Write an equation for each combination.
Is it possible to write any fraction with a denominator of 5 as a sum of other fifths? Explain or show your reasoning.