Welcome to "Hatch Cover Composer", a 1st Grade Shapes mission at the Explorer (core) level, staged in our space exploration scenario. The mission opens with a hands-on prompt: "Place 2 hexagons on the canvas. Use the palette to pick the right shape, then tap "+" to add each one." You'll work with the numbers 2, 6 and arrive at a final answer of 12 across 3 guided steps.
Behind the space exploration story, this lesson is really about shapes aligned to CCSS 1.G.A.2. Recognizing 2D shapes by defining attributes, and composing larger shapes from smaller ones. The key strategy this mission asks you to internalise: Triangle = 3, Square/Rectangle = 4, Hexagon = 6, Circle = curved.
A general pattern to watch for in 1st Grade shapes — illustrated with example numbers below, which may differ from this lesson's: Thinking color or size matters (a small red triangle is "different" from a big blue one). Sort a pile of shapes by *number of sides* only. The kids quickly see how color drops out. If you get stuck on "Hatch Cover Composer", the adaptive Socratic hints below escalate from a gentle nudge to a worked-out strategy — the same way a one-on-one tutor would coach you through it.
Grade 1 · Shapes
Mission Progress
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Thinking Summary · 1
Mastered[object Object]
[Discovery] Place 2 hexagons on the canvas. Use the palette to pick the right shape, then tap "+" to add each one.
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Active StepPlace 2 hexagons on the canvas.
1st Grade Shapes explorer-2 representative practice page for students who need a crawlable, worked entry point into the topic without exposing every near-duplicate long-tail mission.
This explorer · core practice mission uses a shape sketch to move from the story to a precise shapes idea. Work through the prompts in order: notice the structure first, name the quantities, then check whether the final answer fits the original situation.
In 1st Grade Shapes, students need to connect the story, the model, and the symbolic answer. The core move here is: Triangle = 3, Square/Rectangle = 4, Hexagon = 6, Circle = curved. A useful check is to ask whether the answer avoids this pitfall: Calling a tilted square a "diamond" — treating orientation as a defining attribute. A square stays a square no matter how you turn it. Pick it up and rotate it physically — the sides did not change.
Everything you need to know about the Socratic experience.
Place 2 hexagons on the canvas. Use the palette to pick the right shape, then tap "+" to add each one. Hint: Tap the "hexagon" tile in the palette. Then press "+" exactly 2 times.
Each hexagon can be built from 6 triangles. To build all 2 hexagons on your canvas, how many triangles do you need in total? If you get stuck, the adaptive hint is: Composing big shapes from small ones uses multiplication.
Explorer missions hit the core abstraction at typical numeric ranges — this is where conceptual mastery is built. Within 1st Grade Shapes, expect numbers in the corresponding range.
Calling a tilted square a "diamond" — treating orientation as a defining attribute. A square stays a square no matter how you turn it. Pick it up and rotate it physically — the sides did not change.
Place Value (Pattern-block composition (10 triangles = 1 hexagon row) mirrors the "10 ones = 1 ten" trade.). Open /grade-1/place-value to start that topic's missions.
Yes. Every mission, handbook page, and topic hub is mapped to a specific CCSS code (visible in the page header). The curriculum follows the CCSS coherence map: Grade 1 number sense → Grade 3 multiplicative thinking → Grade 6 ratio reasoning, with each grade building strictly on the prior year's foundations.
Research on "productive struggle" shows that 20–60 seconds of focused effort BEFORE help dramatically improves long-term retention — the brain encodes the strategy more deeply. Inquiry AI's hint timing is calibrated to this window: short enough to prevent frustration, long enough to lock in the learning. Parents can adjust the threshold in settings if a learner needs faster scaffolding.
