• Recent Lessons

    Use fraction bars to explore how to compare sizes of fractions.
    Lesson Plan
    Grades: 3rd to 5th
    Num & Ops Fractions
    Apply and extend previous understandings of multiplication and division to multiply and divide fractions.
    Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.
    Extend understanding of fraction equivalence and ordering.
    Reason with shapes and their attributes.
    Develop understanding of fractions as numbers.
    3.NF.A.1, 3.NF.A.3a, 3.NF.A.3b, 3.NF.A.3c, 3.NF.A.3d, 3.G.A.2, 4.NF.A.1, 4.NF.A.2, 4.NF.B.4a, 5.NF.B.3
    Participate in a modeling activity where they will learn the rules for translations, rotations, and reflections.
    Lesson Plan
    Grades: 9th to 12th, 6th to 8th
    Understand congruence and similarity using physical models, transparencies, or geometry software.
    8.G.A.3, HSG-CO.A.2, HSG-CO.A.4, HSG-CO.A.5, HSG-CO.B.6
    Use the book, A Remainder of One by Elinor J. Pinczes, to introduce division with remainders.
    Lesson Plan
    Grades: PreK to 2nd, 3rd to 5th, Pre K to 2nd
    Algebraic Thinking
    Number & Operations
    Gain familiarity with factors and multiples.
    Use the four operations with whole numbers to solve problems.
    Solve problems involving the four operations, and identify and explain patterns in arithmetic.
    Multiply and divide within 100.
    Represent and solve problems involving multiplication and division.
    Use place value understanding and properties of operations to add and subtract.
    1.NBT.C, 3.OA.A.2, 3.OA.A.3, 3.OA.C.7, 3.OA.D.8, 4.OA.A.2, 4.OA.A.3, 4.OA.B.4
    Use base ten blocks to model decimal multiplication.
    Lesson Plan
    Grades: 3rd to 5th
    Num & Ops Base Ten
    Perform operations with multi-digit whole numbers and with decimals to hundredths.
    Manipulate and fold three paper circles to explore four circle theorems.
    Lesson Plan
    Grades: 9th to 12th
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