Task Arcs in the Instructional Exchange

Item title	Grade range
'Adding to' Situational Tasks: Solving for Unknowns in All Positions	Grade 1	1
A Better Fire!!	Grades 9 - 12	1
Addition Situations: Solving for the Sum	Kindergarten	1
Addition: Flexible Thinking and Problem-Solving Strategies	Grade 2	1
Advanced Monty Hall	Grades 9 - 12	1
Buffon's Needle	Grades 9 - 12	1
Building Non-Unit Fractions	Grade 4	1
Building Polynomial Functions	Grades 9 - 12	1
Coin Toss	Grades 9 - 12	1
Counting and Cardinality:A Focus on Knowing Number Names and the Counting Sequence	Kindergarten	1
Crazy Choices Game	Grades 9 - 12	1
Creating and Interpreting Functions	Grades 9 - 12	1
Decimal Operations: Multiplication and Division	Grade 5	1
Developing an Understanding of Quadratics	Grades 9 - 12	1
Equations and Inequalities	Grades 9 - 12	1
Equations and Linear Functions:Solving Linear Equations in One Variable	Grade 8	1
Equivalent Expressions	Grade 6	1
Experimental Probability	Grades 9 - 12	1
Exploring Expressions and Equations	Grade 6	1
Fire!!	Grades 9 - 12	1
Investigating Coordinate Geometry and Its Use in Solving Mathematical Problems	Grades 9 - 12	1
Investigating Inequalities	Grade 7	1
Investigating Rational Exponents	Grades 9 - 12	1
Locating, Ordering, and Finding Distance Between Positive and Negative Numbers	Grade 6	1
Measurement:Solving for Area of Figures	Grade 3	1

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