Grade 1 Mathematics

Mount Vernon School District

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Using and applying mathematics in a cooperative learning environmentWith an emphasis on conceptual math.

Counting objects to 20

EALR's:

Math
1.1 number sense
3.1 read to learn new information
3.2 read to perform a task

Partitioning numbers and counting on

EALR's:

Math
1.1 number sense
1.1.2 recognizes + / - symbols
3.1 read to learn new information
3.2 read to perform a task

Recognizing shape in the environment

EALR's:

Math
1.3 geometric sense, analyzes attributes of shapes
3.1 read to learn new information
3.2 read to perform a task

Students use manipulatives to model addition problems. They group objects in pairs, count on, and write number sentences. Even and odd numbers are explored. Students begin working with 2-digit numbers in preparation for adding larger numbers.

EALR's:

Math
1.1 Number sense
1.1.2 Computation

This unit introduces numbers to 100 for counting and grouping by twos, fives, and tens. Students learn to name numbers in terms of grouping, e.g. 12 as 2 sixes or 2 fives and 2. The lab, Colors, introduces the sampling of a population.

EALR's:

Math
1.1 Number sense
1.1.1 Number and numeration
3.1 Analyzes information
3.2 Predicts results and makes inferences
3.3 Draws conclusions and verifies results

Students measure with both standard and nonstandard units. They compare and order lengths and experience the idea that using different sized unit results in a different answer. The skills of “skip counting” and “counting on” are applied in the lab, Rolling Along with Links.

EALR's:

Math
1.2 Measurement
1.2.2 Approximation and Precision
1.2.3 Systems and Tools

Students find and build patterns in designs. They work with geometric patterns, two-dimensional patterns, and designs that have symmetry. Students use concrete materials that allow them to use a guess-and-check strategy as they create, modify, and extend patterns.

EALR's:

Math
1.5.1 Relationships and representations
1.3 Geometric sense
1.3.1 Shape and dimension
1.3.2 Relationships and transformation