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Two Things at Once is a free printable Grade 3 to Grade 5 social studies worksheet on sequencing to compare simultaneous developments, aligned to C3 Framework indicator D2.His.1.3-5. 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 1 of 25 · the same problems every time you open this link.

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One paper per student

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All 25 sets ask different questions.

Two Things at Once

D2.His.1.3-5

NameDate

Number the events from 1 to 4.

1.Order these. Two things were happening at once.
  • 1844: boatmen petition against the proposed railway
  • 1840: the canal posts its tolls and trade is busy
  • 1846: the railway opens and the canal cuts its charges
  • 1847: canal work ends and the workhouse fills
2.Order these. Two trades change at the same time.
  • Only two boat builders remain in the directory
  • Boat builders supply a busy canal
  • The line opens and orders for barges fall
  • The railway is surveyed through the valley

LessonPrint · D2.His.1.3-5 · Set 1 · free to copy for classroom use

Answer key — Two Things at Once

Set 1. Prints on its own sheet.

  1. 1.Correct order: 2, 1, 3, 4
  2. 2.Correct order: 2, 4, 3, 1

Questions about Two Things at Once

What does the Two Things at Once worksheet cover?

It practices sequencing to compare simultaneous developments — 2 questions for Grade 3 to Grade 5, all on C3 Framework D2.His.1.3-5: Use a timeline to compare things that were happening at the same time. The instruction to students is “Number the events from 1 to 4”, and the answer key follows on the next sheet.

Which C3 Framework indicator does Two Things at Once practice?

D2.His.1.3-5, under History for Grade 3 to Grade 5. The published indicator reads: “Create and use a chronological sequence of related events to compare developments that happened at the same time.” The worksheet assesses that indicator rather than a paraphrase of it.

What age or grade is this worksheet for?

Two Things at Once is written for Grade 3 to Grade 5, typically ages 40-41. It is one of the sheets on D2.His.1.3-5, so it suits any student working at that standard — including older students revisiting it and younger ones working ahead.

Does Two Things at Once come with an answer key?

Yes. All 2 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.

How many different versions of Two Things at Once can I print?

25 — one per student, and all 25 ask different questions. Set 1 downloads the whole class as a single PDF. Every version is fixed to its own address, so a sheet printed today holds the same problems when you reopen it next week.

Is Two Things at Once free to print and photocopy?

Yes. Two Things at Once, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.

Is there a lesson plan to teach D2.His.1.3-5?

Yes — “Two Stories Running at Once” is a 45-minute Grade 3 to Grade 5 plan for D2.His.1.3-5, timed section by section, with the misconceptions to expect and an exit ticket. Two Things at Once is the practice that follows it.

More practice for D2.His.1.3-5

Use a timeline to compare things that were happening at the same time.

Teaching this next? Two Stories Running at Once is the 45-minute plan for it, with the misconceptions to expect.

All Grade 3 to Grade 5 worksheets

Last reviewed 2026-09-05. Aligned to D2.His.1.3-5 of the C3 Framework for Social Studies State Standards.