F-BF.1.1.a

Write a function that describes a relationship between two quantities. ★

a.  Determine an explicit expression, a recursive process, or steps for calculation from a context.

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Formative Assessments
Formative Assessments
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Students are asked to write an explicit function rule given a verbal description of a functional relationship in a real-world context and are then asked to use the function rule to answer a question.
Giveaway
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Students are asked to write an explicit function rule given a verbal description of a functional relationship in a real-world context and are then asked to use the function rule to answer specific questions.
Saving for a Car
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Virtual/Hands-on Manipulatives
Virtual/Hands-on Manipulatives
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Using this virtual manipulative, students are able to graph a function and a set of ordered pairs on the same coordinate plane. The constants, coefficients, and exponents can be adjusted using slider bars, so the s
Data Flyer
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In this activity, students enter inputs into a function machine. Then, by examining the outputs, they must determine what function the machine is performing. This activity allows students to explore functions and what inputs are most useful for determining the function rule.
Number Cruncher
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Assessment Questions
Assessment Questions
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FSA Sample Question
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Videos of Expert Instruction
Videos of Expert Instruction
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This video demonstrates writing a function that represents a real-life scenario.
Basic Linear Function
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Problem-Based Lessons
Problem-Based Lessons
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This problem uses a combination of Algebra and Geometry. In particular, students need to realize that the centers of three stacked pipe circles form an equilateral triangle.
How Much Shorter Are Staggered Pipe Stacks?
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This activity begins with asking students for guesses as to where each of the birds will land.
Where Would The Angry Birds Have Landed?
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In this task, students' curiosity for how many total pennies have been used to create a 3D pyramid is generated. They then model the math by using various resources to answer this question, along with others.
Pyramid of Pennies – 3-Act Math Task by Dan Meyer