Days of 5Fifth grade makewas my golden age

When a sentence starts with a number, the rule is write it out alphabetically (in reality, very few people care about this rule).

During such fulfilling moments, sometimes it occurs to me that the memoryies of my elementary school days comes back.

I believe the experiences back in those days fostered my consideration of others and affection for plants, hleaving a positive impact on my life.

Days of 5th grade makehave brought me to my golden age

Not sure what you mean by "make"? Like how your days have helped you reach your golden age?

When I do daily chores like watering flowers in the garden, the parents of the kids pass me by, saying/ praising, "Great work!

RThese refreshing beautiful flowers are a feast for my eyes!"/ these flowers are beautiful!

Depending on what type of English you are, it may sound not natural. Even may be natural. But casually it could be as above.

Getting praised/ commended for my flowers assures me that my golden years are bright and satisfying even after I have turned 81 years old.

DSometimes during such fulfilling moments, sometimes it occurs to me that the memory of my elementary school days comes back. to me/ I recall my elementary school days.

As a fifth grader with bobbed hair, I had volunteered to become a member of a beautification club.

Small grammar

It was not uncommon that the flowers that I took good care of would have withered, or Ithat I would have felt reluctant to pull up weeds under the scorching sun during midsummer.

However, encouragement from themy schoolmates and the teacher in charge kept us moving forward.

I believe the experience back in those days fostered my consideration of others and affection for plants, havingand hence had a positive impact on my life.

Realizing that I'm enjoying my old age to the fullest, I will work (even) harder.

You could add "even" for emphasis.

Days ofin 5th grade makecontribute to my golden age

Refreshing beautiful flowers are a feast for my eyes!"

During such fulfilling moments, sometimes it occurs to me that the memory of my elementary school days comes backto me.

It was not uncommon that the flowers that I took good care of withered, or I felt reluctant to pull up weeds under the scorching sun during midsummer.

However, encouragement from the schoolmates and the teacher in charge kept us moving forwartivated.

I believe the experience back in those days fostered my consideration of others and affection for plants, having and had a positive impact on my life.

Days of 5th grade make my golden age

When I do daily chores like watering flowers in the garden, the parents of the kids pass me by,often walk by and saying, "Great work!

RefreshingLively, beautiful flowers are a feast for my eyes!"

"Refreshing" is more used for drinks (like a cold drink in summer), or to describe a change that is stimulating, like "My coworkers in the office love to complain, so it's refreshing when someone comes in with a positive attitude."

Getting praised for my flowers assures me that my golden years are bright and satisfying even after I have turned 81 (years old).

During suchthese fulfilling moments, sometimes it occurs to me that the memory of my own elementary school days comes flooding back.

Or "Sometimes, during these fulfilling moments, I think back to my own memory of my elementary school days."

This was because I thought I could make every bit of our school life enjoyable through school-beautifying activities, such as planting flowers.

However, encouragement from themy schoolmates and the teacher in charge kept us moving forward.

I believe themy experience back in those days had a positive impact on my life, as it fostered my consideration of others and affection for plants, having a positive impact on my life.

Realizing thathow much I'm enjoying my old age to the fullest, I will has motivated me to work harder.

RefreshingThose beautiful flowers are a feast for my eyes!"refreshing.

I believe the original sentence is grammatical correct, however, I think it does feel a little unnatural.

During such fulfilling moments, sometimes it occurs to me that themy memoryies of my elementary school days comes back. to me.

As a fifth grader with bobbed hair, I volunteered to become a member of athe beautification club.

This was because I thought I could make every bit of ourmy school life enjoyable through school-beautifying activities such as planting flowers.

However, encouragement from themy schoolmates and the teachers in charge kept usme moving forward.

I believe the experience back in those days had a positive impact on my life,fostered my consideration of others, and affection for plants, having a positive impact on my life.

Realizing that I'm enjoying my old age to the fullest, I will keep working harder.