C vs K sound worksheet for learning phonics.

This worksheet is designed to help learners practice the difference between using "c" and "k" in English words. The goal is to fill in the blank with either "c" or "k" to complete each word correctly.

Let’s go through each word and determine whether "c" or "k" fits best based on common spelling patterns and pronunciation rules.

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🔤 General Rule:

- "C" is typically used before "e", "i", and "y" (soft "c" sound: /s/), or before "a", "o", "u" (hard "c" sound: /k/).
- "K" is usually used when followed by "a", "o", "u", or at the beginning of a word where the hard "k" sound is needed.
- However, "k" often appears in words ending in "-ake", "-ake", "-ube", etc., while "c" appears in words like "cake", "cube", "car", etc.

But note: In this exercise, many words are common ones, so we can use vocabulary knowledge.

Let’s solve them one by one:

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Column 1:

1. __ar → car ✔
2. __eys → keys ✔
3. __ubby → cubby ✔
4. __oke → coke ✔
5. __ape → cape ✔
6. __usp → cup? Wait — "cusp" ✔
7. __een → seen ✔
8. __ind → kind ✔
9. __oat → coat ✔
10. __itten → kitten ✔

> Wait! Let's double-check: "kitten" starts with "k", but "citten" isn't a word. So it must be kitten → k

So column 1:
- car → c
- keys → k
- cubby → c
- coke → c
- cape → c
- cusp → c
- seen → s? Wait — "seen" has "s", not "c" or "k" — but here the blank is at the beginning.

Wait! The format is: __ar, meaning one letter missing at the beginning.

So let’s re-evaluate all words carefully.

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Actually, looking again: Each word has one blank at the start, and we need to fill in either "c" or "k".

So:

Column 1:

1. __ar → car → c
2. __eys → keys → k
3. __ubby → cubby → c
4. __oke → coke → c
5. __ape → cape → c
6. __usp → cusp → c
7. __een → keen? But "keen" is spelled with k, but "seen" is s, not c/k. Hmm.

Wait — "seen" starts with s, not c or k. But the blank is at the beginning.

So maybe the intended word is "keen"?

But it says __een — could be keen or seen?

But "seen" doesn’t start with c or k.

Wait — perhaps the word is "keen", and the blank is for k.

Similarly, __ind → kind → k

__oat → coat → c

__itten → kitten → k

So let’s assume the words are:

1. __ar → car → c
2. __eys → keys → k
3. __ubby → cubby → c
4. __oke → coke → c
5. __ape → cape → c
6. __usp → cusp → c
7. __een → keen → k
8. __ind → kind → k
9. __oat → coat → c
10. __itten → kitten → k

Yes — that makes sense.

Now check "keen": yes, k.

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Column 2:

1. __ool → cool → c
2. __ubs → cubs → c
3. __in → kin → k
4. __ave → cave → c
5. __ing → king → k
6. __ove → cove → c
7. __iwi → kiwi → k
8. __orn → corn → c
9. __ite → cite → c
10. __ane → cane → c

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Column 3:

1. __ake → cake → c
2. __ilo → kilo → k
3. __oma → coma → c
4. __alm → calm → c
5. __eg → keg → k
6. __ept → kept → k
7. __ube → cube → c
8. __eep → keep → k
9. __ow → cow → c
10. __ettle → kettle → k

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Final Answers:

#### Column 1:
1. car
2. keys
3. cubby
4. coke
5. cape
6. cusp
7. keen
8. kind
9. coat
10. kitten

#### Column 2:
1. cool
2. cubs
3. kin
4. cave
5. king
6. cove
7. kiwi
8. corn
9. cite
10. cane

#### Column 3:
1. cake
2. kilo
3. coma
4. calm
5. keg
6. kept
7. cube
8. keep
9. cow
10. kettle

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Summary of Patterns:

- Use "c" when the word sounds like /k/ and is followed by a, o, u, or e/i/y if it's soft /s/ (like in *cease*, *city*), but here we’re only choosing between c and k.
- Use "k" when the word begins with a hard /k/ sound and is followed by a, e, i, o, u, especially in words like kite, kite, kangaroo, etc.
- Words like "cake", "cave", "cub", "cope", "crown" use c.
- Words like "kite", "kiss", "knee", "kite", "kettle" use k.

However, there are exceptions: "c" is used before e, i, y to make the /s/ sound (e.g., *city*, *cent*), but in this list, most are hard k sounds.

But here, we're just filling in c or k to form real words.

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✔ Final Answer List:

| Word | Letter |
|----------|--------|
| car | c |
| keys | k |
| cubby | c |
| coke | c |
| cape | c |
| cusp | c |
| keen | k |
| kind | k |
| coat | c |
| kitten | k |
| cool | c |
| cubs | c |
| kin | k |
| cave | c |
| king | k |
| cove | c |
| kiwi | k |
| corn | c |
| cite | c |
| cane | c |
| cake | c |
| kilo | k |
| coma | c |
| calm | c |
| keg | k |
| kept | k |
| cube | c |
| keep | k |
| cow | c |
| kettle | k |

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🎯 Explanation:

The task teaches the difference between "c" and "k" in English spelling:
- "c" is used more commonly in words like *car*, *cat*, *cave*, *cub*, *cute*, etc.
- "k" is used in words like *kite*, *kiss*, *knee*, *kangaroo*, *kettle*, *key*, *knot*, etc.
- Both represent the /k/ sound, but "k" is used in many words starting with that sound, especially those of Germanic origin or where "c" might be confusing.
- However, "c" is preferred before e, i, y (for soft /s/) or in Latin-based words.

But in this exercise, the focus is on which letter completes the word correctly.

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✔ All words are now correctly filled with either "c" or "k".