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Grade 1 English Language Arts — Because and so

Join two ideas with because or so, and say which half is the cause.

Name: ________________________

  1. 1.Which sentence uses its joining word correctly?

    • a) He could not lift it and the bag was heavy because.
    • b) The bag was heavy so it was full of books.
    • c) He could not lift it so the bag was heavy.
    • d) The bag was heavy so he could not lift it.

  2. 2.Pair each cause with what it led to.

    • The bell rang
    • The river rose
    • The batteries ran out
    • The seeds got sunlight
    • the clock stopped
    • the bridge was closed
    • the shoots grew tall
    • the children lined up

  3. 3.The ice melted ____ we left it in the sun.

    • a) and
    • b) so
    • c) then
    • d) because

  4. 4.Write "because" or "so": Anu practiced every day, ____ she won the race.

  5. 5.Write "because" or "so": The plants died ____ nobody watered them.

  6. 6.We lit a candle ____ the power had gone.

    • a) or
    • b) so
    • c) because
    • d) but

  7. 7.Sort each half by whether it is the cause or what happened as a result.

    Groups: The cause · The result

    • The glass broke on the floor
    • Rahul forgot his umbrella
    • The bathroom floor flooded
    • Rahul reached school wet
    • The glass slipped from her hand
    • Someone left the tap running

  8. 8.Sort each sentence by the word that belongs in its gap.

    Groups: because · so

    • The kite would not fly ____ there was no wind.
    • She wore a coat ____ the wind was cold.
    • The tank was empty, ____ the pump would not start.
    • It began to rain, ____ we ran inside.
    • He missed the bus ____ his watch had stopped.
    • The road was closed, ____ we took another route.

Answer key — Grade 1 English Language Arts — Because and so

  1. 1. d) The bag was heavy so he could not lift it.
  2. 2. The bell rang → the children lined up; The river rose → the bridge was closed; The batteries ran out → the clock stopped; The seeds got sunlight → the shoots grew tall
  3. 3. d) because
  4. 4. so
  5. 5. because
  6. 6. c) because
  7. 7. The glass slipped from her hand → The cause; The glass broke on the floor → The result; Rahul forgot his umbrella → The cause; Rahul reached school wet → The result; Someone left the tap running → The cause; The bathroom floor flooded → The result
  8. 8. The road was closed, ____ we took another route. → so; She wore a coat ____ the wind was cold. → because; The tank was empty, ____ the pump would not start. → so; He missed the bus ____ his watch had stopped. → because; The kite would not fly ____ there was no wind. → because; It began to rain, ____ we ran inside. → so