Free open-and-go interactives that inspire kids to love math!Keep exploringAlgebra 2Standard setClearWhen does the sea rise fastest?Algebra 2 · Trigonometric functions · about 2 minCCSS HSF.TF.B.5 · CCSS HSF.TF.A.2 · CCSS HSF.IF.B.6How can a tusk tell time?Algebra 2 · Exponential decay · about 2 minCCSS HSF.LE.A.1.c · CCSS HSF.LE.B.5How can sound make silence?Algebra 2 · Transforming functions · about 3 minCCSS HSF.BF.B.3 · CCSS HSF.BF.A.1.bHow long is the coast of Norway?Algebra 2 · Sequences · about 3 minCCSS HSF.BF.A.2 · CCSS HSF.IF.A.3How can a satellite stand still in the sky?Algebra 2 · Rational exponents · about 3 minCCSS HSN.RN.A.2 · CCSS HSN.RN.A.1