Math worksheet for practicing number sentences with word problems and visual aids.

It looks like you've uploaded a worksheet titled "Write a Number Sentence" from a math workbook (Chapter 4, Lesson 4), which asks students to write number sentences to find the difference in word problems. Since I can't view images directly, I’ll help you solve each problem based on the text you provided. Here are the problems and their solutions with explanations:

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1. Alicia counts 16 pigs in a pen. Then 7 piglets run out. How many pigs are left in the pen?

- What’s happening? There were 16 pigs, and 7 ran out.
- We need to subtract to find how many are left.

✔ Number sentence:
$$
16 - 7 = 9
$$

✔ Answer: 9 pigs are left.

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2. Miguel sees 8 spiders in a web. Then 2 spiders crawl away. How many spiders are left in the web?

- Start with 8 spiders, 2 leave.
- Subtract.

✔ Number sentence:
$$
8 - 2 = 6
$$

✔ Answer: 6 spiders are left.

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3. Diner sees 9 birds in a tree. Then 5 birds fly away. How many birds are left in the tree?

- 9 birds, 5 fly away → subtract.

✔ Number sentence:
$$
9 - 5 = 4
$$

✔ Answer: 4 birds are left.

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4. Kim counts 8 ants on a log. Then 6 ants crawl off. How many ants are left on the log?

- 8 ants, 6 leave → subtract.

✔ Number sentence:
$$
8 - 6 = 2
$$

✔ Answer: 2 ants are left.

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5. Chelsea has 8 bug shells and 10 snail shells. She drops 8 snail shells into the water. How many snail shells does she have left?

- Important: She has 10 snail shells total. She drops 8 into the water.
- We only care about snail shells, not bug shells.

✔ Number sentence:
$$
10 - 8 = 2
$$

✔ Answer: 2 snail shells are left.

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6. Sally has 12 green balloons and 9 red balloons. Then 8 green balloons pop. How many green balloons does Sally have left?

- She had 12 green balloons. 8 popped → subtract only green ones.

✔ Number sentence:
$$
12 - 8 = 4
$$

✔ Answer: 4 green balloons are left.

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✔ Summary of Answers:

1. $16 - 7 = 9$
2. $8 - 2 = 6$
3. $9 - 5 = 4$
4. $8 - 6 = 2$
5. $10 - 8 = 2$
6. $12 - 8 = 4$

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Let me know if you'd like this formatted as a printable answer sheet or if you need help with another part!