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A magnifying glass inspecting punctuation clues on a detective desk

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7 lessons · 4 topics

Punctuation

Use commas to keep a sentence's meaning clear.

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A young reporter investigating a noisy suit of armour after dark

Warm-up · Lesson 08Punctuation · Introductory commasThe Midnight Museum HeadlineA dinosaur sneezes after closing time, but the newspaper headline has lost its pause.Start lesson

Grammar

Match subjects and verbs and make references clear.

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A reporter examining one box filled with many moon rocks

Core · Lesson 09Grammar · Subject–verb agreementThe Moon-Rock HeadlineA box of moon rocks has started glowing—and the headline's verb is following the wrong noun.Start lesson

Two space explorers untangling which telescope points the wrong way

Core · Lesson 10Grammar · Clear pronoun referenceThe Two-Telescope TangleTwo friends, two telescopes, and one tiny pronoun leave mission control guessing.Start lesson

Reading Clues

Find main ideas, infer clues, and order instructions.

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Bees following a worker bee's waggle dance toward flowers

Core · Lesson 11Reading Clues · Finding the main ideaThe Secret Bee DanceA field report hides its big idea among flowers, sunlight, and one very informative dance.Start lesson

A child following muddy pawprints from an empty treat jar to a dog

Core · Lesson 12Reading Clues · Making an inferenceThe Missing Moon TreatsMuddy pawprints, an empty jar, and a suspiciously crumb-covered dog demand a careful inference.Start lesson

A paper rocket launching before its craft instructions are completed

Warm-up · Lesson 14Reading Clues · Sequencing instructionsThe Backwards Rocket ManualA paper rocket manual launches before it has wings. Readers need the steps restored.Start lesson

Homophones

Choose the right sound-alike word from context.

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An announcer pointing to two explorers' backpacks beside a launch gate

Warm-up · Lesson 13Homophones · Homophones in contextThe Backpack BroadcastThe expedition announcement sounds right aloud but points to the wrong spelling on screen.Start lesson