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Math Grade K-1 Answer Key

Capacity: Full, Half-Full, and Empty

Identifying how much a container holds

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Capacity: Full, Half-Full, and Empty

Identifying how much a container holds

Math - Grade K-1

Instructions: Look at each container or read each sentence. Write full, half-full, or empty. Show your thinking when asked.
  1. 1

    A cup has water all the way to the top. Write the word that tells how much is in the cup.

    Full means there is no more room for much more water.

    The cup is full because the water goes all the way to the top.
  2. 2

    A bowl has no soup in it. Write the word that tells how much is in the bowl.

    The bowl is empty because there is no soup in it.
  3. 3

    A bottle has juice up to the middle. Write the word that tells how much is in the bottle.

    Half-full means about one of two equal parts is filled.

    The bottle is half-full because the juice reaches the middle of the bottle.
  4. 4

    Circle the container that is empty: a glass with milk to the top, a glass with no milk, or a glass with milk halfway up.

    The glass with no milk is empty because it has nothing in it.
  5. 5

    Sam poured water into a cup until it reached the top. Is the cup full, half-full, or empty?

    Look for the word top in the sentence.

    The cup is full because the water reached the top.
  6. 6

    Mia drank some lemonade. Now the glass has lemonade only up to the middle. Is the glass full, half-full, or empty?

    The glass is half-full because the lemonade is up to the middle.
  7. 7

    A fish tank has no water in it. Is the fish tank full, half-full, or empty?

    No water means nothing is inside.

    The fish tank is empty because it has no water in it.
  8. 8

    Draw a line from each word to the matching container: full, half-full, empty.

    Full matches the container filled to the top. Half-full matches the container filled to the middle. Empty matches the container with nothing inside.
  9. 9

    A bucket is filled halfway with sand. Write a sentence using the word half-full.

    Use the words bucket and half-full in your sentence.

    A correct sentence is: The bucket is half-full of sand because the sand reaches the middle.
  10. 10

    A jar has cookies stacked to the very top. Which word best describes the jar: full, half-full, or empty?

    The jar is full because cookies are stacked to the very top.
  11. 11

    A watering can has no water inside. Which word best describes the watering can?

    Empty means there is nothing in the container.

    The watering can is empty because it has no water inside.
  12. 12

    Look at a container that is filled to the middle. Color the word that matches it: full, half-full, empty.

    The word half-full should be colored because the container is filled to the middle.
  13. 13

    A milk carton was full. Lee poured out all the milk. What is the milk carton now?

    All the milk is gone.

    The milk carton is empty because Lee poured out all the milk.
  14. 14

    A cup is empty. Ana pours water until it reaches the middle. What is the cup now?

    The cup is half-full because the water reaches the middle.
  15. 15

    Put these containers in order from least filled to most filled: full cup, empty cup, half-full cup.

    Start with the cup that has nothing in it.

    The order is empty cup, half-full cup, full cup because empty has nothing, half-full has some, and full has the most.
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