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Grade 3 - Shape and Space

Standard 3.SS.3 - Practice converting between different metric units.

Included Skills:

Demonstrate an understanding of measuring length (cm, m) by:
selecting and justifying referents for the units cm and m
modeling and describing the relationship between the units cm and m
estimating length using referents
measuring and recording length, width and height.

Achievement Indicators
Students who have achieved this outcome(s) should be able to:
- Provide a personal referent for one centimetre and explain the choice.
- Provide a personal referent for one metre and explain the choice.
- Match a given standard unit to a given referent.
- Show that 100 centimetres is equivalent to 1 metre by using concrete materials.
- Estimate the length of an object using personal referents.
- Determine and record the length and width of a given 2-D shape.
- Determine and record the length, width or height of a given 3-D object.
- Draw a line segment of a given length using a ruler.
- Sketch a line segment of a given length without using a ruler.

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