Second Grade Math
The First Nine Weeks
Overview of First Nine Weeks
Classify and sort polygons with 12 or fewer sides according to attributes, including identifying the number of sides and number of vertices
Create two-dimensional shapes based on given attributes, including number of sides and vertices
Classify and sort three-dimensional solids, including spheres, cones, cylinders, rectangular prisms (including cubes as special rectangular prisms), and triangular prisms, based on attributes using formal geometric language
Classify and sort three-dimensional solids, including spheres, cones, cylinders, rectangular prisms (including cubes as special rectangular prisms), and triangular prisms, based on attributes using formal geometric language
Compose two-dimensional shapes and three-dimensional solids with given properties of attributes
Decompose two-dimensional shapes such as cutting out a square from a rectangle, dividing a shape in half, or partitioning a rectangle into identical triangles and identify the resulting geometric parts
Read and write time to the nearest hour and half-hour using analog and digital clocks and distinguish between a.m. and p.m.
Recall basic facts to add and subtract within 20 with automaticity
Use Combinations that Make 10 to Create Combinations that Make 20
Count by Tens off the Decade Numbers
Locate the position of a given whole number on an open number line
Determine whether a number up to 40 is even or odd using pairings of objects to represent the number
Generate a number that is greater than or less than a given whole number up to 120 (1,200).
Add up to two two-digit numbers and subtract two-digit numbers using mental strategies and algorithms based on knowledge of place value and properties of operations
Solve one-step word problems involving addition and subtraction within 20 (100) using a variety of strategies based on place value, including algorithms
Generate and solve problems situations for a given mathematical number sentence involving addition and subtraction of whole numbers within 20 (100)
Represent and solve addition and subtraction word problems where unknowns may be any one of the terms in the problem
Non-Standard Algorithms
Non-Standard Algorithms
Non-Standard Algorithms
Non-Standard Algorithms
Non-Standard Algorithms
Non-Standard Algorithms
Some Useful Websites
find “Thinking Blocks” which is a
fabulous site!