• 1
    Grade 1 Standards
Top Mathematicians
  • Patterns and Relations
    • 1.PR.1
      Demonstrate an understanding of repeating patterns (two to four elements) by:
      describing
      reproducing
      extending
      creating
      patterns using manipulatives, diagrams, sounds and actions.

      Achievement Indicators
      Students who have achieved this outcome(s) should be able to:
      - Describe a given repeating pattern containing two to four elements in its core.
      - Identify and describe errors in a given repeating pattern.
      - Identify and describe the missing element(s) in a given repeating pattern.
      - Create and describe a repeating pattern, using a variety of manipulatives, diagrams, sounds and actions.
      - Reproduce and extend a given repeating pattern, using manipulatives, diagrams, sounds and actions.
      - Identify and describe a repeating pattern in the environment, e.g., classroom, outdoors, using everyday language.
      - Identify repeating events; e.g., days of the week, birthdays, seasons.
    • 1.PR.2
      Translate repeating patterns from one representation to another.
      Achievement Indicators
      Students who have achieved this outcome(s) should be able to:
      - Represent a given repeating pattern, using another mode; e.g., actions to sound, colour to shape, ABCABC to bear eagle fish bear eagle fish.
      - Describe a given repeating pattern, using a letter code; e.g., ABCABC.
    • 1.PR.3
      Describe equality as a balance and inequality as an imbalance, concretely and pictorially (0 to 20).
      Achievement Indicators
      Students who have achieved this outcome(s) should be able to:
      - Construct two equal sets, using the same objects (same shape and mass), and demonstrate their equality of number, using a balance limited to 20 elements.
      - Construct two unequal sets, using the same objects (same shape and mass), and demonstrate their inequality of number, using a balance limited to 20 elements.
      - Determine if two given concrete sets are equal or unequal and explain the process used.
    • 1.PR.4
      Record equalities using the equal symbol.
      Achievement Indicators
      Students who have achieved this outcome(s) should be able to:
      - Represent a given equality, using manipulatives or pictures.
      - Represent a given pictorial or concrete equality in symbolic form.
      - Provide examples of equalities where the given sum or difference is on either the left or right side of the equal symbol (=).
      - Record different representations of the same quantity (0 to 20) as equalities.
  • Shape and Space
    • 1.SS.1
      Demonstrate an understanding of measurement as a process of comparing by:
      identifying attributes that can be compared
      ordering objects
      making statements of comparison
      filling, covering or matching.

      Achievement Indicators
      Students who have achieved this outcome(s) should be able to:
      - Identify common attributes, such as length (height), mass (weight), volume (capacity) and area, which could be used to compare a given set of two objects.
      - Compare two given objects and identify the attributes used to compare.
      - Determine which of two or more given objects is longest/shortest by matching and explain the reasoning.
      - Determine which of two or more given objects is heaviest/lightest by comparing and explain the reasoning.
      - Determine which of two or more given objects holds the most/least by filling and explain the reasoning.
      - Determine which of two or more given objects has the greatest/least area by covering and explain the reasoning.
    • 1.SS.2
      Sort 3-D objects and 2-D shapes using one attribute, and explain the sorting rule.
      Achievement Indicators
      Students who have achieved this outcome(s) should be able to:
      - Sort a given set of familiar 3-D objects or 2-D shapes using a given sorting rule.
      - Sort a given set of familiar 3-D objects using a single attribute determined by the student and explain the sorting rule.
      - Sort a given set of 2-D shapes using a single attribute determined by the student and explain the sorting rule.
      - Determine the difference between two given pre-sorted sets of familiar 3-D objects or 2-D shapes and explain a possible sorting rule used to sort them.
      - Select 2-D shapes from a given set of 2-D shapes to reproduce a given composite 2-D shape.
      - Select 3-D objects from a given set of 3-D objects to reproduce a given composite 3-D object.
      - Predict and select the 2-D shapes used to produce a composite 2-D shape, and verify by deconstructing the composite shape.
      - Predict and select the 3-D objects used to produce a composite 3-D object, and verify by deconstructing the composite object.
      - Identify 3-D objects in the environment that have parts similar to a given 2-D shape.
    • 1.SS.3
      Replicate composite 2-D shapes and 3-D objects.
      Achievement Indicators
      Students who have achieved this outcome(s) should be able to:
      - Sort a given set of familiar 3-D objects or 2-D shapes using a given sorting rule.
      - Sort a given set of familiar 3-D objects using a single attribute determined by the student and explain the sorting rule.
      - Sort a given set of 2-D shapes using a single attribute determined by the student and explain the sorting rule.
      - Determine the difference between two given pre-sorted sets of familiar 3-D objects or 2-D shapes and explain a possible sorting rule used to sort them.
      - Select 2-D shapes from a given set of 2-D shapes to reproduce a given composite 2-D shape.
      - Select 3-D objects from a given set of 3-D objects to reproduce a given composite 3-D object.
      - Predict and select the 2-D shapes used to produce a composite 2-D shape, and verify by deconstructing the composite shape.
      - Predict and select the 3-D objects used to produce a composite 3-D object, and verify by deconstructing the composite object.
      - Identify 3-D objects in the environment that have parts similar to a given 2-D shape.
    • 1.SS.4
      Compare 2-D shapes to parts of 3-D objects in the environment.
      Achievement Indicators
      Students who have achieved this outcome(s) should be able to:
      - Sort a given set of familiar 3-D objects or 2-D shapes using a given sorting rule.
      - Sort a given set of familiar 3-D objects using a single attribute determined by the student and explain the sorting rule.
      - Sort a given set of 2-D shapes using a single attribute determined by the student and explain the sorting rule.
      - Determine the difference between two given pre-sorted sets of familiar 3-D objects or 2-D shapes and explain a possible sorting rule used to sort them.
      - Select 2-D shapes from a given set of 2-D shapes to reproduce a given composite 2-D shape.
      - Select 3-D objects from a given set of 3-D objects to reproduce a given composite 3-D object.
      - Predict and select the 2-D shapes used to produce a composite 2-D shape, and verify by deconstructing the composite shape.
      - Predict and select the 3-D objects used to produce a composite 3-D object, and verify by deconstructing the composite object.
      - Identify 3-D objects in the environment that have parts similar to a given 2-D shape.
  • Number