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Educational worksheet for identifying base words, suffixes, and sounds in plural forms.

Worksheet titled "Which Is IT?" with a table for students to fill in base words, suffixes, and sounds for words like "hats," "paths," "pins," "beds," "packs," and "chairs."

Worksheet titled "Which Is IT?" with a table for students to fill in base words, suffixes, and sounds for words like "hats," "paths," "pins," "beds," "packs," and "chairs."

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Show Answer Key & Explanations Step-by-step solution for: Just Wild About Teaching: February 2016
Let’s work through this step by step.

The task is to break each word into its base word and suffix, then decide if the suffix makes an “s” sound or a “z” sound at the end of the word.

First, let’s understand what a base word and suffix are:
- The base word is the main part of the word that can stand alone.
- The suffix is a small piece added to the end (in this case, usually “s” or “es”) to make it plural.

Now, about the sounds:
- If the base word ends in a voiceless sound (like p, t, k, f, s, sh, ch), adding “s” makes an “s” sound (like “hats” → /s/).
- If the base word ends in a voiced sound (like b, d, g, v, z, m, n, l, r, or any vowel), adding “s” makes a “z” sound (like “beds” → /z/).

Let’s go one by one:

1. hats
- Base word: hat
- Suffix: s
- “hat” ends in /t/ (voiceless) → so “s” sounds like /s/
→ Sound: s

2. paths
- Base word: path
- Suffix: s
- “path” ends in /θ/ (voiceless) → so “s” sounds like /s/
→ Sound: s

3. pins
- Base word: pin
- Suffix: s
- “pin” ends in /n/ (voiced) → so “s” sounds like /z/
→ Sound: z

4. beds
- Base word: bed
- Suffix: s
- “bed” ends in /d/ (voiced) → so “s” sounds like /z/
→ Sound: z

5. packs
- Base word: pack
- Suffix: s
- “pack” ends in /k/ (voiceless) → so “s” sounds like /s/
→ Sound: s

6. chairs
- Base word: chair
- Suffix: s
- “chair” ends in /r/ (voiced) → so “s” sounds like /z/
→ Sound: z

All checks done. Now we fill in the table accordingly.

Final Answer:
| Verb | Base Word | Suffix | Sound |
|------|-----------|--------|-------|
| hats | hat | s | s |
| paths| path | s | s |
| pins | pin | s | z |
| beds | bed | s | z |
| packs| pack | s | s |
| chairs| chair | s | z |
Parent Tip: Review the logic above to help your child master the concept of suffix s worksheet.
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