compound words

In the sentence, "My favorite breakfast is a warm pancake with syrup," what type of compound word is pancake?

• Closed

• Open

• Hyphenated

• Not a compound

Answer explanation

A closed compound word is formed when two words are joined together to create a new word with no space or hyphen, like 'pancake'. Open compounds have a space, hyphenated compounds use a hyphen, and 'Not a compound' would apply to a single-morpheme word.

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CCSS.L.2.4D

The school cafeteria offers many options. Which of the following is the 'odd one out' because it is a different type of compound word?

• high school

• ice cream

• post office

• playground

Answer explanation

'Playground' is a closed compound word, formed by joining two words without a space. The other options, 'high school,' 'ice cream,' and 'post office,' are all open compound words, which have a space between the words.

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CCSS.L.2.4D

Complete the sentence with the correctly formed compound word: The ten-year-old actor gave a _____ performance.

• well received

• well-received

• wellreceived

• well-receive

Answer explanation

When a compound adjective like 'well-received' comes before the noun it describes ('performance'), it must be hyphenated to show the words are acting as a single descriptive unit. 'Well received' would be correct after the noun (e.g., 'The performance was well received').

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CCSS.L.2.4D

True or False: The compound word 'living room' is an example of a closed compound word.

• True

• False

Answer explanation

This is false. 'Living room' is an open compound word because there is a space between the two words. A closed compound word, like 'bedroom,' has no space. Similarly, 'bus stop' is open, while 'busboy' is closed.

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CCSS.L.2.4D

Which sentence contains an incorrectly formed compound word?

• My brother-in-law is visiting from another country.

• I need to buy some tooth paste from the store.

• The firefighter bravely rescued the cat from the tree.

• We are going to the swimming pool this afternoon.

Answer explanation

The compound word 'toothpaste' should be written as a single, closed word. The other sentences correctly use different types of compounds: 'brother-in-law' is hyphenated, 'firefighter' is closed, and 'swimming pool' is open, showing the variety of correct forms.

After dinner, my job is to load the _____, a machine that saves us a lot of time.

• dishwasher

• dish-washer

• dish washer

• washing machine

Answer explanation

The correct compound noun is 'dishwasher,' which is a closed compound. 'Dish-washer' is an incorrect hyphenation, 'dish washer' is an incorrect open form, and 'washing machine' is a different appliance.

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CCSS.L.2.4D

Which pair of words can be combined to form a logical compound noun for 'a place where you play on swings and slides'?

• play + ground

• park + area

• fun + zone

• slide + yard

Answer explanation

The words 'play' and 'ground' combine to form 'playground,' the standard closed compound noun for a recreational area with equipment. The other pairs do not form a standard compound noun for this definition.

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CCSS.L.2.4D

Based on the context, choose the best compound noun to complete the sentence: The loud _____ during the storm made the dog hide under the bed.

• thunderclap

• downpour

• thunderstorm

• rain-fall

Answer explanation

The context 'during the storm' and 'loud' points to 'thunderstorm,' a compound noun for a storm with thunder and lightning. While a 'thunderclap' is a single loud sound, 'thunderstorm' refers to the entire event. 'Downpour' refers to heavy rain, and 'rain-fall' is an incorrect form.

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CCSS.L.2.4D

To trim the edges of the yard, my dad uses a _____.

• lawnmower

• grass cutter

• string trimmer

• yard-trimmer

Answer explanation

A 'string trimmer' is the correct open compound noun for a tool that trims edges. A 'lawnmower' (a closed compound) cuts the main part of the lawn. 'Grass cutter' is an open compound but less specific, and 'yard-trimmer' is an incorrect hyphenation.

Complete the sentence by selecting the compound noun that names a person by their function: A person who puts out fires is called a _____.

• fire-stopper

• water-sprayer

• firefighter

• fire-manager

Answer explanation

The compound noun 'firefighter' correctly names a person whose function is to fight fires. The other options are not the standard English term for this profession.

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CCSS.L.2.4D