
Journey
North Mystery Class
Activity or Lesson 
A.
NUMBERS & OPERATIONS 
Understand
numbers, ways of representing numbers, relationships among numbers,
and number systems. 
Kids
Calculating Photoperiods
Entire
Mystery Class Challenge 
Compute
fluently and make reasonable estimates. 
Kids
Calculating Photoperiods
Entire
Mystery Class Challenge 
B.
ALGEBRA 
Use
mathematical models to represent and understand quantitative relationships.

Entire
Mystery Class Challenge 
Analyze
change in various contexts. 
Exploring
Shadows and Sunlight
Follow
the Sun
Entire
Mystery Class Challenge 
C.
GEOMETRY 
Specify
locations and describe spatial relationships using coordinate geometry
and other representational systems. 
Entire
Mystery Class Challenge 
D.
MEASUREMENT 
Understand
measurable attributes of objects and the units, systems, and processes
of measurement. 
Exploring
Shadows and Sunlight
World Clocks
Entire
Mystery Class Challenge 
Apply
appropriate techniques, tools, and formulas to determine measurements.

Exploring
Shadows and Sunlight
Entire
Mystery Class Challenge 
E.
DATA ANALYSIS & PROBABILITY 
Select
and use appropriate statistical methods to analyze data. 
Entire
Mystery Class Challenge 
F.
PROBLEM SOLVING 
Build
new mathematical knowledge through problem solving. 
Kids
Calculating Photoperiods
Entire
Mystery Class Challenge 
Apply
and adapt a variety of appropriate strategies to solve problems. 
Entire
Mystery Class Challenge 
H.
COMMUNICATION 
Communicate
their mathematical thinking coherently and clearly to peers, teachers,
and others. 
.Entire
Mystery Class Challenge 
I.
CONNECTIONS 
Recognize
and apply mathematics in contexts outside of mathematics. 
Kids
Calculating Photoperiods 
J.
REPRESENTATION 
Use
representations to model and interpret physical, social, and mathematical
phenomena. 
Follow
the SunX. 