Explore the amplitude, period, and phase shift by
examining the graphs of various trigonometric functions.

Grades: 9th to 12th, High School

Functions

Trigonometric Functions

Interpreting Functions

HSF-IF.C.7e, HSF-TF.B.5

Find equivalent numerical expressions using a balance scale.

Web Interactive

Grades: 3rd to 5th

Algebraic Thinking

Write and interpret numerical expressions.

5.OA.A.1, 5.OA.A.2

Web Interactive

Grades: Pre K to 2nd

Measurement & Data

Counting & Cardinality

Relate addition and subtraction to length.

Count to tell the number of objects.

Know number names and the count sequence.

K.CC.A.2, K.CC.B.5, K.CC.B.4a, K.CC.B.4b, K.CC.B.4c, 2.MD.B.6

Explore several different representations for fractions.

Web Interactive

Grades: 6th to 8th, 3rd to 5th

The Number System

Num & Ops Fractions

Expression/Equation

Ratio & Proportion

Geometry

Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.

Apply and extend previous understandings of multiplication and division to multiply and divide fractions.

Solve real-life and mathematical problems using numerical and algebraic expressions and equations.

Understand ratio concepts and use ratio reasoning to solve problems.

Apply and extend previous understandings of numbers to the system of rational numbers.

Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.

Reason with shapes and their attributes.

Develop understanding of fractions as numbers.

3.NF.A.1, 3.NF.A.2a, 3.NF.A.2b, 3.NF.A.3c, 3.G.A.2, 4.NF.B.4a, 6.NS.C.6c, 6.RP.A.3c, 7.EE.B.3, 5.NF.B.3, 7.NS.A.2d

Explore relationships among the weights of various objects by placing them on either side of a balance.

Web Interactive

Grades: 3rd to 5th, 6th to 8th

Expression/Equation

Apply and extend previous understandings of arithmetic to algebraic expressions.

6.EE.A.3