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Two or More Main Ideas is a free printable Grade 5 English worksheet on matching each main idea to the detail that supports it, aligned to Common Core standard RI.5.2. 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 8 of 25 · the same problems every time you open this link.

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One paper per student

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

Two or More Main Ideas

RI.5.2

NameDate

Write the letter of the match next to each one.

LessonPrint · RI.5.2 · Set 8 · free to copy for classroom use

Answer key — Two or More Main Ideas

Set 8. Prints on its own sheet.

  1. 1.1. Bees are vital to farming — A (Many fruit crops need bees to carry pollen) 2. Recycling saves energy — C (Making cans from old aluminum uses far less power) 3. Standard gauge was inherited, not chosen — B (Early rails copied the wheel spacing of colliery carts) 4. Sleep cleans the brain — D (Fluid washes waste proteins away at night)
  2. 2.1. Vaccines train the immune system — A (The body makes antibodies against a harmless piece of a germ) 2. Tea spread through one company's trade — B (The East India Company controlled it for two centuries) 3. Multitasking is mostly switching — D (Each change of task costs a fraction of a second) 4. Old London Bridge helped the Thames freeze — C (Its wide piers slowed the water almost to a standstill)

More practice for RI.5.2

Find two or more main ideas, show their support, and summarize.

Teaching this next? Two Main Ideas and a Summary is the 40-minute plan for it, with the misconceptions to expect.

All Grade 5 worksheets

Last reviewed 2026-09-05. Aligned to RI.5.2 of the Common Core State Standards for English Language Arts.