You may write on the front face of the Demonstration Ruler with a dry-erase marker. (Do not write on the red band.)

Intervention Strategies

Linear Measurement: Use number lines to introduce the concept of linear measurement, rulers, and standard units. Emphasize that measuring with a ruler is very similar to counting from left to right on a number line.

Whole Units: Model measurement to the nearest whole unit. Say, “That’s about

3 inches (or cm),” or, “That measures closest to 3 inches (or cm).” Have students concentrate only on the ruler’s whole-unit markings.

Half-Units:After students master whole units, introduce half inches by comparing and measuring objects with similar lengths (within an inch). Determine which objects are longer using the half-inch markings.

Vocabulary: Make sure students understand key operational terms such as even or flush, and left-to-right.

Measurement Awareness: Expose students to several different types of rulers of varying sizes, shapes, colors, and materials, including tape measures. Emphasize that measurement tools may look different but can accomplish the same standard measurements.

 

 

RISQUE D’ÉTOUFFEMENT. Petites pièces.

ATTENTION! Ce jouet contient des aimants ou des composants magnétiques.

 

 

Interdit aux enfants en dessous de 3 ans.

Desaimants collés les uns aux autres ou à un objet métallique à l’intérieur du corps

 

 

ERSTICKUNGSGEFAHR. Kleine Teile.

humain peuvent entraîner des lésions graves ou mortelles. En cas d’ingestion ou

 

 

Nicht geeignet für Kinder unter 3 Jahren.

d’inhalation d’aimants, demandez immédiatement une assistance médicale.

 

 

WARNUNG! Dieses Spielzeug enthält Magnete oder magnetische

 

 

PELIGRO DE ASFIXIA. Piezas pequeñas.

 

 

Bestandteile. Magnete, die im menschlichen Körper einander oder einen

 

 

No se recomienda para menores de 3 años.

 

 

metallischen Gegenstand anziehen, können schwere oder tödliche Verletzungen

 

 

 

 

 

 

verursachen.Ziehen Sie sofort einen Arzt zu Rate, wenn Magnete verschluckt oder

 

 

 

eingeatmet wurden.

 

 

 

 

ATENCIÓN: Este juguete contiene imanes o componentes magnéticos.

 

 

 

La unión de los imanes entre sí o a un objeto metálico dentro del cuerpo humano

 

 

 

puede provocar lesiones graves o mortales. Si se han tragado o inhalado los

 

 

 

imanes, busque atención médica inmediata.

 

 

 

 

© Learning Resources, Inc., Vernon Hills, IL (U.S.A.)

 

 

 

 

Learning Resources Ltd., King’s Lynn, Norfolk (U.K.)

 

 

 

 

 

 

 

 

Please retain our address for future reference.

 

 

 

 

Made in China.

LRM9301-GUD

 

 

 

 

Fabriqué en Chine.

Informations à conserver.

 

 

 

 

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Learning Resources LER 9301 Intervention Strategies, ERSTICKUNGSGEFAHR. Kleine Teile, Peligro DE ASFIXIA. Piezas pequeñas