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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 Common Core standard 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 pupils 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.

Next setLesson plan

One paper per pupil

All 25 sets ask different questions.

Two Things at Once

D2.His.1.3-5

NameDate

Number the events from 1 to 4.

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

Which Common Core standard does Two Things at Once practise?

D2.His.1.3-5 — D2.His.1.3-5, in the History domain for Grade 3 to Grade 5. The published standard reads: “Create and use a chronological sequence of related events to compare developments that happened at the same time.” The worksheet assesses that standard 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 pupil working at that standard — including older pupils 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 pupil, 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.