Illustrative Mathematics
Illustrative Mathematics: 3.oa Finding the Unknown in a Division Equation
This task shows an equation that elicits key misconceptions around equations and division. Aligns with 3.OA.A.4 and CCSS.Math.Content.3.OA.A.4 Determine the unknown whole number in a multiplication or division
CPALMS
Cpalms: Product of Non Zero Rational and Irrational Numbers
[Free Registration/Login Required] In this formative assessment task, students are asked to explain how rational and irrational numbers differ and why the product of a non-zero rational number and an irrational number is irrational....
CPALMS
Cpalms: Mudslide
[Free Registration/Login Required] This is a formative assessment task where students are asked to first make a mathematical model of a mudslide given the dimensions of the area it covers. They then use an estimate of density to...
CPALMS
Cpalms: Population of Utah
[Free Registration/Login Required] This is a formative assessment task where students are asked to estimate the population of Utah based on information given about its population density and the perimeter of its state boundaries. Samples...
CPALMS
Cpalms: How Many Trees?
[Free Registration/Login Required] For this formative assessment task, students are asked to find the density and the estimated number of trees in a forest, given certain parameters. Samples of student responses and possible...
Other
Game Dev: There Is No Such Thing as Centrifugal Force
This resource provides an exceptional explanation of centripetal force. Explains why the common misconception of a centrifugal force is incorrect.
CPALMS
Cpalms: Size It Up
[Free Registration/Login Required] This is a formative assessment task where students are asked to use geometric solids to model each of four tent shapes on a instructional activity and use mathematical language to describe them. Samples...