Math With AmarA C A D E M Y

Math With Amar · Guided practice

10,000 ways to practice.
One idea at a time.

Each chapter gives you a distinct mathematical scenario: one question to attempt, a hint, a worked solution, and an animated example you can control.

10,000 questions · 10,000 animated scenarios · 14 study levels

A mathematics study workspace connecting graphs, geometry, and problem solving

Choose a starting point

Practice at your level.

Grade labels are starting points; school sequences vary. Advanced chapters assume the prerequisites listed on their pages.

Attempt · Explain · Animate

Grade 12 practice chapters

381–400 of 600 matching chapters · Page 20 of 30

Clear filters
  1. Grade 12 · Chapter 381

    The product rule · Linear shift a=-1; Exponential rate b=0.75

    Evaluate at x=0.2. Find the product value, its derivative, and the contribution from differentiating the exponential factor. Givens: Linear shift a=-1; Exponential rate b=0.75.

    Question · Worked solution · Animated example

    Open practice chapter
  2. Grade 12 · Chapter 382

    Signed accumulation · Slope a=3; Subtracted intercept b=1.5

    Integrate on 0≤x≤2.4. Find the signed integral, total geometric area, and zero crossing of the line. Givens: Slope a=3; Subtracted intercept b=1.5.

    Question · Worked solution · Animated example

    Open practice chapter
  3. Grade 12 · Chapter 383

    Substitution and bounds · Exponent factor k=0.55; Final upper bound B=1.5

    Integrate from x=0 to x=0.9. Find the transformed upper bound under u=kx² and the exact integral, then give a decimal approximation. Givens: Exponent factor k=0.55; Final upper bound B=1.5.

    Question · Worked solution · Animated example

    Open practice chapter
  4. Grade 12 · Chapter 384

    Differential growth models · Initial amount a=3; Rate k=-0.4

    Evaluate at t=2.4 time units. Find the amount, instantaneous rate, and multiplier relative to the initial amount; check the rate against the given differential equation. Givens: Initial amount a=3; Rate k=-0.4.

    Question · Worked solution · Animated example

    Open practice chapter
  5. Grade 12 · Chapter 385

    Binomial probability · Trial count n=4; Success probability p=0.3

    Use success count k=3. Calculate P(X=k), P(X≤k), and the expected count. Givens: Trial count n=4; Success probability p=0.3.

    Question · Worked solution · Animated example

    Open practice chapter
  6. Grade 12 · Chapter 386

    Vector components and angles · Vector length r=0.5; Final angle (degrees)=120

    Evaluate at the signed angle θ=72° (three fifths of that final angle). Find its dot product with (1,0), its vertical component, and its length. Givens: Vector length r=0.5; Final angle (degrees)=120.

    Question · Worked solution · Animated example

    Open practice chapter
  7. Grade 12 · Chapter 387

    Cubic derivatives · Cubic coefficient a=0; Linear coefficient b=1.5

    Evaluate at x=0.4. Find the function value and first and second derivatives at that input. Givens: Cubic coefficient a=0; Linear coefficient b=1.5.

    Question · Worked solution · Animated example

    Open practice chapter
  8. Grade 12 · Chapter 388

    The product rule · Linear shift a=-0.5; Exponential rate b=1

    Evaluate at x=0.2. Find the product value, its derivative, and the contribution from differentiating the exponential factor. Givens: Linear shift a=-0.5; Exponential rate b=1.

    Question · Worked solution · Animated example

    Open practice chapter
  9. Grade 12 · Chapter 389

    Implicit circle tangents · Circle radius r=2.5; Final angle (degrees)=60

    Use angle θ=36°. Find both coordinates and the tangent slope; identify a vertical tangent instead of dividing by zero when necessary. Givens: Circle radius r=2.5; Final angle (degrees)=60.

    Question · Worked solution · Animated example

    Open practice chapter
  10. Grade 12 · Chapter 390

    Signed accumulation · Slope a=0.5; Subtracted intercept b=4

    Integrate on 0≤x≤2.4. Find the signed integral, total geometric area, and zero crossing of the line. Givens: Slope a=0.5; Subtracted intercept b=4.

    Question · Worked solution · Animated example

    Open practice chapter
  11. Grade 12 · Chapter 391

    Substitution and bounds · Exponent factor k=0.6; Final upper bound B=1.75

    Integrate from x=0 to x=1.05. Find the transformed upper bound under u=kx² and the exact integral, then give a decimal approximation. Givens: Exponent factor k=0.6; Final upper bound B=1.75.

    Question · Worked solution · Animated example

    Open practice chapter
  12. Grade 12 · Chapter 392

    Differential growth models · Initial amount a=0.5; Rate k=0.3

    Evaluate at t=2.4 time units. Find the amount, instantaneous rate, and multiplier relative to the initial amount; check the rate against the given differential equation. Givens: Initial amount a=0.5; Rate k=0.3.

    Question · Worked solution · Animated example

    Open practice chapter
  13. Grade 12 · Chapter 393

    Binomial probability · Trial count n=5; Success probability p=0.35

    Use success count k=3. Calculate P(X=k), P(X≤k), and the expected count. Givens: Trial count n=5; Success probability p=0.35.

    Question · Worked solution · Animated example

    Open practice chapter
  14. Grade 12 · Chapter 394

    Vector components and angles · Vector length r=1; Final angle (degrees)=135

    Evaluate at the signed angle θ=81° (three fifths of that final angle). Find its dot product with (1,0), its vertical component, and its length. Givens: Vector length r=1; Final angle (degrees)=135.

    Question · Worked solution · Animated example

    Open practice chapter
  15. Grade 12 · Chapter 395

    Cubic derivatives · Cubic coefficient a=0.5; Linear coefficient b=2

    Evaluate at x=0.4. Find the function value and first and second derivatives at that input. Givens: Cubic coefficient a=0.5; Linear coefficient b=2.

    Question · Worked solution · Animated example

    Open practice chapter
  16. Grade 12 · Chapter 396

    Implicit circle tangents · Circle radius r=3; Final angle (degrees)=90

    Use angle θ=54°. Find both coordinates and the tangent slope; identify a vertical tangent instead of dividing by zero when necessary. Givens: Circle radius r=3; Final angle (degrees)=90.

    Question · Worked solution · Animated example

    Open practice chapter
  17. Grade 12 · Chapter 397

    Substitution and bounds · Exponent factor k=0.65; Final upper bound B=2

    Integrate from x=0 to x=1.2. Find the transformed upper bound under u=kx² and the exact integral, then give a decimal approximation. Givens: Exponent factor k=0.65; Final upper bound B=2.

    Question · Worked solution · Animated example

    Open practice chapter
  18. Grade 12 · Chapter 398

    Differential growth models · Initial amount a=1; Rate k=0.4

    Evaluate at t=2.4 time units. Find the amount, instantaneous rate, and multiplier relative to the initial amount; check the rate against the given differential equation. Givens: Initial amount a=1; Rate k=0.4.

    Question · Worked solution · Animated example

    Open practice chapter
  19. Grade 12 · Chapter 399

    Binomial probability · Trial count n=6; Success probability p=0.4

    Use success count k=4. Calculate P(X=k), P(X≤k), and the expected count. Givens: Trial count n=6; Success probability p=0.4.

    Question · Worked solution · Animated example

    Open practice chapter
  20. Grade 12 · Chapter 400

    Vector components and angles · Vector length r=1.5; Final angle (degrees)=150

    Evaluate at the signed angle θ=90° (three fifths of that final angle). Find its dot product with (1,0), its vertical component, and its length. Givens: Vector length r=1.5; Final angle (degrees)=150.

    Question · Worked solution · Animated example

    Open practice chapter
10,000 Guided Math Practice Chapters | Math With Amar