Interactive English grammar exercise for children to practice using "a" and "an" with illustrated objects.

This worksheet is designed to help you practice using the articles "a" and "an" in English. The rule is:

- Use "a" before words that start with a consonant sound.
- Use "an" before words that start with a vowel sound (a, e, i, o, u).

Let's solve the worksheet step by step:

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Left Column:

1. It's an ant
- Correct: "an" because "ant" starts with a vowel sound.

2. It's _ pen
- Correct: "a" because "pen" starts with a consonant sound.
- Answer: a pen

3. It's _ apple
- Correct: "an" because "apple" starts with a vowel sound.
- Answer: an apple

4. It's _ orange
- Correct: "an" because "orange" starts with a vowel sound.
- Answer: an orange

5. It's _ bag
- Correct: "a" because "bag" starts with a consonant sound.
- Answer: a bag

6. It's _ rubber
- Correct: "a" because "rubber" starts with a consonant sound.
- Answer: a rubber

7. It's _ paper
- Correct: "a" because "paper" starts with a consonant sound.
- Answer: a paper

8. It's _ marker
- Correct: "a" because "marker" starts with a consonant sound.
- Answer: a marker

9. It's _ elephant
- Correct: "an" because "elephant" starts with a vowel sound.
- Answer: an elephant

10. It's _ book
- Correct: "a" because "book" starts with a consonant sound.
- Answer: a book

11. It's _ egg
- Correct: "an" because "egg" starts with a vowel sound.
- Answer: an egg

12. It's _ igloo
- Correct: "an" because "igloo" starts with a vowel sound.
- Answer: an igloo

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Right Column:

1. It's _ table
- Correct: "a" because "table" starts with a consonant sound.
- Answer: a table

2. It's _ umbrella
- Correct: "an" because "umbrella" starts with a vowel sound.
- Answer: an umbrella

3. It's _ pencil case
- Correct: "a" because "pencil case" starts with a consonant sound.
- Answer: a pencil case

4. It's _ pencil
- Correct: "a" because "pencil" starts with a consonant sound.
- Answer: a pencil

5. It's _ ice cream
- Correct: "an" because "ice cream" starts with a vowel sound.
- Answer: an ice cream

6. It's _ ruler
- Correct: "a" because "ruler" starts with a consonant sound.
- Answer: a ruler

7. It's _ chair
- Correct: "a" because "chair" starts with a consonant sound.
- Answer: a chair

8. It's _ octopus
- Correct: "an" because "octopus" starts with a vowel sound.
- Answer: an octopus

9. It's _ eagle
- Correct: "an" because "eagle" starts with a vowel sound.
- Answer: an eagle

10. It's _ picture
- Correct: "a" because "picture" starts with a consonant sound.
- Answer: a picture

11. It's _ gift
- Correct: "a" because "gift" starts with a consonant sound.
- Answer: a gift

12. It's _ paintbrush
- Correct: "a" because "paintbrush" starts with a consonant sound.
- Answer: a paintbrush

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Final Answers:

| Left Column | Right Column |
|---------------------------|---------------------------|
| It's an ant | It's a table |
| It's a pen | It's an umbrella |
| It's an apple | It's a pencil case |
| It's an orange | It's a pencil |
| It's a bag | It's an ice cream |
| It's a rubber | It's a ruler |
| It's a paper | It's a chair |
| It's a marker | It's an octopus |
| It's an elephant | It's an eagle |
| It's a book | It's a picture |
| It's an egg | It's a gift |
| It's an igloo | It's a paintbrush |

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Explanation:

The key is to focus on the initial sound of each word, not just the first letter. For example, "hour" starts with a vowel sound, so it uses "an," while "university" starts with a consonant sound, so it uses "a."

Final Answer:
\boxed{
\begin{array}{ll}
\text{Left Column} & \text{Right Column} \\
\text{It's an ant} & \text{It's a table} \\
\text{It's a pen} & \text{It's an umbrella} \\
\text{It's an apple} & \text{It's a pencil case} \\
\text{It's an orange} & \text{It's a pencil} \\
\text{It's a bag} & \text{It's an ice cream} \\
\text{It's a rubber} & \text{It's a ruler} \\
\text{It's a paper} & \text{It's a chair} \\
\text{It's a marker} & \text{It's an octopus} \\
\text{It's an elephant} & \text{It's an eagle} \\
\text{It's a book} & \text{It's a picture} \\
\text{It's an egg} & \text{It's a gift} \\
\text{It's an igloo} & \text{It's a paintbrush} \\
\end{array}
}