# Ten optional family cards

Short 5–10-minute invitations, not a comparable home course or required homework. Choose freely; pause or stop. No purchase, print, device, name/photo/recording, sharing or returned answer. A familiar adult checks clean large smooth pieces, short wide cloth and the clear table. No tools, heat, water, electricity, elastic bands, cords, tying/body wrapping or force increase. A drawing/spoken model is always possible but does not create a real result.

## H01 · Cloth corner

**Free setup / swap:** One clean short cloth or smooth card; a clear table. Swap to a self-drawn cloth/card outline if materials or contact are unavailable.

**Your choice and steps:** Choose which edge to lift, or choose the pose for a drawn model. Predict; with the adult’s suitability check, gently lift once or direct the adult. Keep one before/after word or picture.

**One adult prompt:** “What did you notice, and who moved it?”

**What to notice:** Notice the visible curve, no change, or an unavailable view. Known material comes from its source, not the shape. A drawn pose is a model; its real result is unknown.

**Optional next step:** Try a different approved edge later, keeping the first record; or choose a label for your model.

## H02 · One question

**Free setup / swap:** Two inspected large same-source card or cloth pieces, or two drawn setup boxes. Adult preparation replaces scissors. No purchase.

**Your choice and steps:** Choose whether to compare a gentle action with leaving a matched piece flat, or compare named materials under matching relevant conditions. Choose a stop and a question; record a prediction before an optional approved trial.

**One adult prompt:** “Which detail will you change, and which will match?”

**What to notice:** Notice whether size, action, history or view also differs. A plan shows choices; it is not completed conduct. A real result is accepted accurately even if unexpected.

**Optional next step:** Change one confusing setup detail on your plan, without adding a trial.

## H03 · Two poses

**Free setup / swap:** A smooth large card or clean short cloth on a clear table. A self-drawn two-pose model is a free alternative.

**Your choice and steps:** Choose a table curve or agreed half-turn, and choose your display: did/ noticed words, pictures, or a spoken record. Predict first; child or directed adult acts only when suitable.

**One adult prompt:** “What did the operator do, and what did you see?”

**What to notice:** Notice action versus result, and any crease. A shorter tabletop span alone does not mean material disappeared. Do not force a piece straight.

**Optional next step:** Add a source/operator label or ask a safe question about another pose.

## H04 · Marks conversation

**Free setup / swap:** Paper and a pencil, or spoken labels only. No home stretching is needed. Draw a clearly invented cloth record: rest 2, held 3, released 2 equal units.

**Your choice and steps:** Choose labels or a sketch to order those supplied poses. Compare them; do not report them as measurements. A separate actual trial is optional only if an adult has suitable short wide cloth and a rehearsed gentle stop.

**One adult prompt:** “Which value was supplied, and which was actually measured?”

**What to notice:** In fiction the held increase is 1 and final equals initial 2. In a real version use actual same-unit marks; unknown is not zero. Stop at resistance/fraying/request; no strength ranking.

**Optional next step:** Make a different invented record with a missing held observation and keep it unknown.

## H05 · Material groups

**Free setup / swap:** Two large prepared paper pieces with a known common origin and a known cloth item; adult checks edges. Swap to self-drawn labelled pieces.

**Your choice and steps:** Choose your group labels or arrangement. Connect each piece to its known source and count it. No tearing or household search is required.

**One adult prompt:** “How do you know the material?”

**What to notice:** Notice source knowledge versus colour; known paper pieces are not new materials merely because there are two. Drawn pieces are source models, not a tear observation.

**Optional next step:** Choose a new grouping question, such as pieces from the same whole; keep size/mass unknown.

## H06 · A tiny record display

**Free setup / swap:** Scrap paper or spoken headings action/noticed/source. One remembered actual note or an openly invented note; no new test is required.

**Your choice and steps:** Choose a record and how to display it. Put the action beside the result, name who operated, and mark one unknown if a detail was not observed. An adult can scribe and read it back for correction.

**One adult prompt:** “Which part do we know, and which part is missing?”

**What to notice:** Notice that missing is different from a measured no-change result. Preserve the evidence kind and any unit.

**Optional next step:** Choose a second suitable note later, or ask what observation would fill the unknown.

## H07 · Keep a different result

**Free setup / swap:** A clean short cloth/card and table, or two clearly invented spoken notes. Adult checks whether the piece/history permits a safe repeat; fresh matched pieces may be needed.

**Your choice and steps:** Choose a previous safe curve question. Predict from its note. If wanted and suitable, repeat with the relevant starting conditions; child or directed adult may act. Keep both records. With no trial, label two differing notes invented.

**One adult prompt:** “Does the new note agree with your prediction?”

**What to notice:** Notice differences without erasing them. A changed action/history may explain a difference but does not prove its cause. No agreed outcome is required.

**Optional next step:** Choose one relevant condition to inspect before any later approved repeat.

## H08 · A useful arrangement

**Free setup / swap:** One known clean cloth/card, an optional drawn tabletop space, or paper models only. No wearing, load or real shelf details are needed.

**Your choice and steps:** Choose a display/storage purpose and a prior actual or invented record. Predict one gentle change that might help, then make a labelled plan. A suitable real placement may be checked separately after adult approval.

**One adult prompt:** “Which record helps your idea?”

**What to notice:** Notice prediction versus checked result. A model fit across one dimension does not certify household, structural or hygiene use.

**Optional next step:** Choose one missing dimension or real observation to check later; the plan can remain private.

## H09 · A new question after class

**Free setup / swap:** Paper, a remembered ordinary note or spoken words. No fresh assessment source is sent home.

**Your choice and steps:** Choose an ordinary material question you care about, such as how an edge might curve. Choose a drawing, label or spoken plan. Name a safe step and an unknown; an adult may write your words.

**One adult prompt:** “What would you like to find out?”

**What to notice:** Notice own question, prediction and untested status. Use an ordinary example; the separate assessment source is kept in class.

**Optional next step:** Point to an earlier ordinary note that could help your prediction, or leave it uncertain.

## H10 · A careful claim after class

**Free setup / swap:** One remembered ordinary record or an invented non-assessment example, plus paper or spoken words. No purchase or audience reply.

**Your choice and steps:** Choose one thing the record shows and one thing it cannot show. Make a small message by drawing, labels or speech, and choose a safe next question. Adult can scribe exactly.

**One adult prompt:** “What does this one record let you say?”

**What to notice:** Notice a bounded claim rather than always, better or a safety promise. Source models remain source models; the separate assessment source is kept in class.

**Optional next step:** Revise one too-big word or add an evidence-source label. No response needs to be returned.

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