Public Practice Guide
Use this guide to see the type of reasoning MathRoutine expects for grade 10 function transformations word problems. The goal is not worksheet volume; it is helping students read the situation, choose a model, and explain why the answer fits.
What Students Practice
Reasoning Patterns
Sample Problems
These grade-specific examples show the kind of student-visible reasoning MathRoutine is designed to support: identifying the important quantities, choosing the right structure, and checking the final answer against the story.
A sensor model starts as f(x) = x^2. A new calibration uses g(x) = 3(x - 4)^2 + 6. What output does the new model give when x = 10?
Reasoning Strategy
Apply the horizontal shift inside the input, square, stretch, then shift the output.
AI Support Preview
Force the order: inside change before output changes.
A company models daily demand with f(x). A promotion shifts demand 2 days earlier and raises every output by 150 units. How should the transformed model be written?
Reasoning Strategy
Represent an earlier input shift inside the function and the output increase outside.
AI Support Preview
Connect earlier timing to an input transformation, not a vertical shift.
The graph of y = |x| is compressed vertically by 1/2, shifted right 3, and shifted down 4. What is the transformed equation?
Reasoning Strategy
Place the right shift inside the absolute value and the vertical changes outside.
AI Support Preview
Check each transformation against input versus output behavior.
A model f(x) = 3x^2 is shifted up 7 units to make g(x) = f(x) + 7. What is g(4)?
Reasoning Strategy
Evaluate the original function first, then add the vertical shift.
AI Support Preview
Point out that vertical shifts change outputs.
A model changes from f(x) = 2x^2 to g(x) = 2(x - 3)^2. What is g(8)?
Reasoning Strategy
Change the input inside the parentheses before squaring.
AI Support Preview
Prevent the common mistake of adding the shift after evaluating.
Compare f(x) = 4x^2 and g(x) = 4(x - 2)^2 + 9 at x = 6. How far apart are the outputs?
Reasoning Strategy
Evaluate both functions at the same input and compare outputs.
AI Support Preview
Keep the two model outputs labeled before subtracting.
The graph y = x^2 is shifted right 4 and up 7. What is the new equation?
Answer
y = (x - 4)^2 + 7
Reasoning Strategy
Put the horizontal shift inside and the vertical shift outside.
AI Support Preview
Explain why right 4 appears as x - 4.
A model changes from f(x) to g(x) = f(x + 3) - 5. Describe the transformation.
Answer
Left 3 and down 5
Reasoning Strategy
Interpret inside changes as horizontal and outside changes as vertical.
AI Support Preview
Separate input movement from output movement.
Keep Practicing
Practice 1000+ more problems with grade-fit AI support.
Practice Ladder
Modeled after Algebra 1/Algebra 2 workbook expectations: interpret a function or equation in context, solve or compare it, then justify the meaning of the answer.
Connect the equation form to the real situation before calculating.
Evaluate, reverse, or compare the model while tracking restrictions and units.
Use the result to answer the actual question, not just the algebraic expression.
Assessment Signals
A guide is useful only if it clarifies what teachers and parents should look for in student work. MathRoutine tracks these signals during practice instead of treating every miss as the same mistake.
Common Mistakes
Learning Loop
A strong word problem platform should not only say right or wrong. It should notice the pattern: missed unit rate, ignored leftover, reversed comparison, wrong base percent, or equation setup error.
1
Attempt
2
Diagnosis
3
Next practice
Diagnosis Examples
Each word problem should create evidence about setup, calculation, vocabulary, hidden quantities, or final-question confusion. These examples show what MathRoutine is designed to separate after an attempt.
If the attempt shows
The student treats a horizontal shift like an output change.
Likely diagnosis
Input-side and output-side transformations are being blended.
Next practice
Use transformed-function stories where students evaluate the inside expression first.
If the attempt shows
The student accepts both square-root branches even when the context restricts one side.
Likely diagnosis
Domain or side-condition reasoning is missing.
Next practice
Practice reverse transformation problems with a valid-branch condition.
Practice By Difficulty
Each level shows the reasoning load that level should demand, not just more of the same problem.
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