What Happened and Why is a free printable Kindergarten English worksheet on matching what happened in a story to why it happened, aligned to Common Core standard RL.K.1. It prints 2 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.
Set 19 of 25 · the same problems every time you open this link.
Set 1 has all 25 in a single PDF. All 25 sets ask different questions.
What Happened and Why
RL.K.1
NameDate
Draw a line from what happened to why it happened.
1.Match what happened to why it happened.
Sam washed his hands.
Kim laughed and laughed.
Tom went to bed early.
Pip the dog barked at the door.
A.Her friend told a funny joke.
B.They were muddy.
C.He was very tired.
D.Someone knocked.
2.Match what happened to why it happened.
Lily took her umbrella.
Ana smiled and clapped.
The cat ran up a tree.
Rosa turned on the light.
A.A big dog chased it.
B.The room was dark.
C.She won the race.
D.It was raining.
LessonPrint · RL.K.1 · Set 19 · free to copy for classroom use
Answer key — What Happened and Why
Set 19. Prints on its own sheet.
1.1. Sam washed his hands. — B (They were muddy.) 2. Kim laughed and laughed. — A (Her friend told a funny joke.) 3. Tom went to bed early. — C (He was very tired.) 4. Pip the dog barked at the door. — D (Someone knocked.)
2.1. Lily took her umbrella. — D (It was raining.) 2. Ana smiled and clapped. — C (She won the race.) 3. The cat ran up a tree. — A (A big dog chased it.) 4. Rosa turned on the light. — B (The room was dark.)
Last reviewed 2026-09-05. Aligned to RL.K.1 of the Common Core State Standards for English Language Arts.