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Using a Measuring Tool

Use a ruler to compare the lengths of classroom objects.

Classroom lesson: Using a Measuring Tool

Today I can…

measure a length from zero

Words to know

Words for this lesson

RULERSTRIPBOOKTRAYMARK

Follow along

What we will do

  1. 1

    Compare strips

    Choose the longer paper strip.

  2. 2

    Find zero

    Find the zero mark on the ruler.

  3. 3

    Line it up

    Direct an adult lining one strip end up with zero.

  4. 4

    Find the end

    Find the ruler mark at the other end of the strip.

  5. 5

    Name the length

    Share the length with its unit, such as centimeters.

  6. 6

    Check again

    Compare the length with a second measurement.

Speech, sign, point, eye gaze, or AAC

Tell us what you need

Choose a word when you are ready.

LONGERSHORTERMEASUREHELPBREAK
Teacher & para guideMaterials, learning objectives, access, and safety

Materials

  • Large blunt-edged ruler with clear zero; two broad paper strips; stable tray; classroom objects; enlarged scale if needed; paper; marker; AAC choices.

Safety first

Keep learners seated at a shared display; offer observation without touch and AAC, gaze, gesture or speech. Honor NO, STOP and BREAK; allow wait time and follow individual vision, allergy, mouthing and supervision plans. Select support individually, never by age or House. Use a large blunt-edged ruler, broad strips, safe classroom objects and a stable tray; adults hold the ruler steady as needed. Provide raised or enlarged marks according to the learner’s vision plan. Start at zero rather than the ruler edge; use the same ruler and unit for comparisons.

Follow each student's IEP, health, feeding, allergy, behavior, and mobility plans.

Individual learning objectives

Choose Level 1, 2 or 3 individually in either House group. A House is not an ability level. Watching, directing and communicating a boundary are valid participation.

Level 1

Choose the longer object.

Level 2

Align an object with the ruler zero.

Level 3

Measure and report a length with its unit.

Skill focus: Functional math, visual-motor integration, tool use, measurement

30-minute teaching sequence

Introduce · 5 min

5 min: Show two broad paper strips and a ruler. Ask, "Which is longer?" Explain that a tool helps us compare lengths. Offer MEASURE/WATCH and model HELP. Use age-respectful classroom objects.

I do · 10 min

I do 10 min: Lay a strip flat. Align its end with zero, not the ruler edge. Point to the other end and name the nearest marked unit. Repeat with a second strip using the same ruler and unit.

We do · 10 min

We do 10 min: Learners choose an object, align it or direct an adult. Compare lengths, then measure again to check. Use raised or enlarged marks as indicated by the learner's vision plan. Adult holds the ruler steady if needed.

Exit choice · 5 min

L1: Which is longer? L2: Where do we start? L3: How long, and which unit? Accept AAC, gaze, gesture or speech. Record response/support; cue ALL DONE.

Science note: Measure means find how long.

Curriculum connection: CCSS 2.MD.A.1 (adapted).

Prepare for this learner

Seat students at one shared display. Offer watch/no-touch, AAC, gaze, gestures or speech; wait and respect NO/BREAK. Use one-step cues. Follow individual vision, allergy, mouthing and supervision plans. Select levels individually in either House group.

Record the response, access method, opportunities and support used. Record observed, declined or not assessed separately; a communicated refusal is not a failure of participation.

Word lesson plan

Editable classroom source plan. Source files may retain earlier titles. Use the individual level choices and safety guidance above when preparing the session.

Download editable lesson plan (Word)

Access supports

Communication Model five core words; accept speech, AAC, eye gaze, gestures, object choices, signs, and partner-assisted scanning.

Sensory Present one material at a time. Offer tools, gloves, observe-only, a scent-free choice, and a quiet break.

Motor Stabilize containers, pre-loosen parts, use adapted grips, and offer seated, standing, partner, or directing roles.

Learning Show the finished result, model first, use short visual steps, repeat, and record the least support needed.

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