1st Grade Subtraction

  • Doubles Plus and Minus 1

    ​Math Monsters – Video showing doubles and Their Neighbors
    The Double Fun Circus is coming to town. The Math Monsters are practicing adding doubles to get ready for the big show. Spend time with a shopkeeper in the real world who explains how she uses adding doubles to make her job easier.

    To view on Learn 360:
    • Username: plvcurriculum@paplv.org
    • Password: plv
    • MA 1.1.2 Operations: Students will demonstrate the meaning of addition and subtraction with whole numbers.
               * MA 1.1.2.a Use objects, drawings, words, and symbols to explain addition as a joining action
    • MA 1.1.3 Computation: Students will compute fluently and accurately using appropriate strategies and tools.
                * MA 1.1.3.a Fluently add whole number sums up to 10

    Easy "10"

     
     
     
       
    • MA 1.1.2 Operations: Students will demonstrate the meaning of addition and subtraction with whole numbers.
                *MA 1.1.2.b Use objects, drawings, words, and symbols to explain addition as parts of a whole
                * MA 1.1.2.d Use drawings, words, and symbols to explain subtraction as finding part of a whole
    • MA 1.1.3 Computation: Students will compute fluently and accurately using appropriate strategies and tools. 
                * MA 1.1 .3.d Use a variety of methods and tools to compute sums and differences (e .g., models, mental computation, paper-pencil)