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What Each Text Adds is a free printable Grade 3 English worksheet on comparing two short texts on one topic to find what the second adds, aligned to Common Core standard RI.3.9. It prints 8 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 20 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

What Each Text Adds

RI.3.9

NameDate

Circle the right answer.

1.Text 1: A lock has a gate at each end. Text 2: A lock needs no pump because water flows by gravity. What does Text 2 add?
  • A.That a lock has gates
  • B.Why no pump is needed
  • C.How long a canal is
2.Text 1: A windmill grinds grain into flour. Text 2: Its sails are set at an angle so the wind pushes them round. What does Text 2 add?
  • A.Who owns the mill
  • B.Why the sails turn
  • C.What the mill makes
3.Text 1: A salmon swims back up its home river. Text 2: A salmon finds its home river by smell. What does Text 2 add?
  • A.That the salmon returns
  • B.How the salmon finds the river
  • C.What color the salmon is
4.Text 1: Lighthouses warn ships about rocks. Text 2: Each lighthouse flashes its own pattern so sailors know which one they see. What does Text 2 add?
  • A.That lighthouses warn ships
  • B.How tall lighthouses are
  • C.How sailors tell lighthouses apart
5.Text 1 says swallows lose a third of their weight. Text 2 says many swallows die on the way. What do both texts show?
  • A.Swallows never come back
  • B.The journey is short
  • C.The journey is very hard
6.Text 1 and Text 2 both say salmon leap waterfalls. Only Text 2 says they stop eating on the way. Which point is in both texts?
  • A.Salmon leap waterfalls
  • B.Salmon live in lakes
  • C.Salmon stop eating on the way
7.Text 1: Morse code uses dots and dashes. Text 2: Morse code can be sent as sound, light or taps. What does Text 2 add?
  • A.Who invented it
  • B.The ways a message can be sent
  • C.That it uses dots and dashes
8.Text 1: Braille is a code of raised dots. Text 2: Louis Braille finished his code at fifteen. What does Text 2 add?
  • A.When the code was finished
  • B.How the dots are printed
  • C.That the code uses dots

LessonPrint · RI.3.9 · Set 20 · free to copy for classroom use

Answer key — What Each Text Adds

Set 20. Prints on its own sheet.

  1. 1.Why no pump is needed
  2. 2.Why the sails turn
  3. 3.How the salmon finds the river
  4. 4.How sailors tell lighthouses apart
  5. 5.The journey is very hard
  6. 6.Salmon leap waterfalls
  7. 7.The ways a message can be sent
  8. 8.When the code was finished

Last reviewed 2026-09-05. Aligned to RI.3.9 of the Common Core State Standards for English Language Arts.