Learn a fun and impressive trick while simultaneously practicing and mastering the all-important combinations of ten.

Lesson Plan

Grades: Pre K to 2nd

Number & Operations

Algebraic Thinking

Use place value understanding and properties of operations to add and subtract.

Add and subtract within 20.

Understand and apply properties of operations and the relationship between addition and subtraction.

Work with numbers 11-19 to gain foundations for place value.

Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.

K.OA.A.3, K.OA.A.4, K.OA.A.5, K.NBT.A.1, 1.OA.B.4, 1.OA.C.6, 2.OA.B.2, 2.NBT.B.5, 2.NBT.B.6, 2.NBT.B.7, 2.NBT.B.9

Transform images through rotation, reflection, dilation, and translation using matrix multiplication.

Lesson Plan

Grades: 9th to 12th, High School

Geometry

Similarity, Right Triangles, and Trigonometry

Congruence

HSG-CO.A.2, HSG-CO.A.4, HSG-CO.A.5, HSG-CO.B.6, HSG-CO.B.7, HSG-CO.A.1, HSG-SRT.A.1a, HSG-SRT.A.1b

Enforce the skills of identifying equivalent trigonometric expressions using puzzles.

Lesson Plan

Grades: High School, 9th to 12th

Geometry

Functions

Similarity, Right Triangles, and Trigonometry

Trigonometric Functions

HSF-TF.A.3, HSG-SRT.C.6, HSG-SRT.C.7, HSG-SRT.C.8, HSG-SRT.D.10, HSG-SRT.D.11

Offers a method for finding the slope of a line from its graph.

Lesson Plan

Grades: 6th to 8th, High School, 9th to 12th

Ratio & Proportion

Functions

Expression/Equation

Analyze proportional relationships and use them to solve real-world and mathematical problems.

Interpreting Functions

Use functions to model relationships between quantities.

Understand the connections between proportional relationships, lines, and linear equations.

8.EE.B.6, 8.F.B.4, HSF-IF.B.6, 7.RP.A.2b

Find all of the factors of each number up to 36 and learn the difference between prime and composite numbers.

Lesson Plan

Grades: 3rd to 5th, Pre K to 2nd

Measurement & Data

Geometry

Algebraic Thinking

Num & Ops Base Ten

Geometric measurement: understand concepts of area and relate area to multiplication and to addition.

Reason with shapes and their attributes.

Work with equal groups of objects to gain foundations for multiplication.

Use place value understanding and properties of operations to perform multi-digit arithmetic.

Gain familiarity with factors and multiples.

4.OA.B.4, 4.NBT.B.5, 2.OA.C.4, 2.G.A.2, 3.MD.C.7b