This extended 3 worksheet adds more diverse exercises, including visual aids, matching games, and word problems, catering to different learning styles and reinforcing the concept of adding polynomials in an engaging way.

All Answer:

page 1: Adding Simple Polynomials

1. (3x + 4x)
   Answer: 7x
2. (2y + 5y)
   Answer: 7y
3. (6a + 3a)
   Answer: 9a
4. (7b + 2b)
   Answer: 9b
5. (8x + 1x)
   Answer: 9x
6. (4c + 5c)
   Answer: 9c
7. (5m + 7m)
   Answer: 12m
8. (9k + 1k)
   Answer: 10k

Page 2: Word Problems (Real-life Applications)

1. James has 3x candies in one jar and 5x candies in another jar. How many candies does James have altogether?
   Answer: 8x candies
2. Maria has 2y pencils in her pencil case and 7y pencils in her desk. How many pencils does she have in total?
   Answer: 9y pencils
3. Carlos earns 6a dollars per hour for one job and 4a dollars per hour for another job. How much does he earn per hour from both jobs combined?
   Answer: 10a dollars per hour
4. Lily collects 8b stickers from one store and 5b stickers from another. How many stickers does she collect in total?
   Answer: 13b stickers

Page 3: Matching Game

1. (5x + 2x) → d.
2. 7x(3y + 4y) → a.
3. 6y(6b + 2b) → i.
4. 8b(4x + 5x) → e.
5. 9x(8y + 3y) → f.
6. 11y(7x + 5x) → c.
7. 12x(6b + 6b) → h.
8. 12b(2x + 4x) → j.
9. 6x(9y + 7y) → g.
10. 16y(4y + 7y) → l.
11. 11y(10x + 2x) → k.
12. 12x(3x + 3x) → b. 6x