Second Grade Spelling worksheet with missing letter and extra letter exercises.

Problem Explanation:

The worksheet is designed for second-grade spelling practice. It consists of two sections:

1. Fill in the missing letter: Students need to complete the words by adding the missing letter and then write each word twice.
2. Remove the extra letter: Students need to identify and remove the extra letter from each word and then write the corrected word twice.

Solution:

#### Section 1: Fill in the missing letter
For each word, determine the missing letter that completes the word correctly. Then, write the completed word twice.

1. be_t
- The missing letter is e.
- Completed word: best
- Write twice: best best

2. bet_er
- The missing letter is t.
- Completed word: better
- Write twice: better better

3. can_of
- The missing letter is n.
- Completed word: cannot
- Write twice: cannot cannot

4. c_ld
- The missing letter is o.
- Completed word: cold
- Write twice: cold cold

5. do_s
- The missing letter is g.
- Completed word: dogs
- Write twice: dogs dogs

#### Section 2: Remove the extra letter
For each word, identify and remove the extra letter to form a correct word. Then, write the corrected word twice.

6. doon't
- The extra letter is o.
- Corrected word: don't
- Write twice: don't don't

7. druum
- The extra letter is u.
- Corrected word: drum
- Write twice: drum drum

8. eaach
- The extra letter is a.
- Corrected word: each
- Write twice: each each

9. feedd
- The extra letter is d.
- Corrected word: feed
- Write twice: feed feed

10. goodd
- The extra letter is d.
- Corrected word: good
- Write twice: good good

Final Answer:

```
1. be_t -> best best
2. bet_er -> better better
3. can_of -> cannot cannot
4. c_ld -> cold cold
5. do_s -> dogs dogs

6. doon't -> don't don't
7. druum -> drum drum
8. eaach -> each each
9. feedd -> feed feed
10. goodd -> good good
```

Boxed Final Answer:
```boxed{
1. best best
2. better better
3. cannot cannot
4. cold cold
5. dogs dogs
6. don't don't
7. drum drum
8. each each
9. feed feed
10. good good
}
```