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

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 11 practice chapters
101–120 of 600 matching chapters · Page 6 of 30
Clear filtersGrade 11 · Chapter 101
Logarithms and domains · Domain boundary a=-1; Logarithm base b=3
Use x=2.08; the logarithm argument is exactly 3.08. State the domain, evaluate the logarithm, and recover the argument by exponentiation. Givens: Domain boundary a=-1; Logarithm base b=3.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 102
Exponential calibration · Initial value a=3; Exponential rate b=0.1
Evaluate at t=2.4 time units. Find the signal value, tangent slope, and multiplicative change from f(0). Givens: Initial value a=3; Exponential rate b=0.1.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 103
Complex polar form · Modulus r=3; Final angle (degrees)=-90
Evaluate at the signed angle θ=-54° (three fifths of that final angle). Find its real and imaginary components and verify its modulus. Givens: Modulus r=3; Final angle (degrees)=-90.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 104
Trigonometric periods · Amplitude A=3; Angular frequency k=0.5
Evaluate at x=6π/5 radians, keeping π exact during calculation. Find the signal value, derivative with respect to x, and period. Givens: Amplitude A=3; Angular frequency k=0.5.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 105
Triangle area and angle · Second side b=1.5; Included angle (degrees)=45
Use the included angle C=33°. Find the area and the side opposite C. Givens: Second side b=1.5; Included angle (degrees)=45.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 106
Quadratic sequences · Quadratic coefficient a=-1; Linear coefficient b=-1.5
Use index n=6. Calculate u₆, the forward first difference u₇−u₆, and the second difference u₈−2u₇+u₆. Givens: Quadratic coefficient a=-1; Linear coefficient b=-1.5.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 107
Rescaling data · Scale a=-0.5; Shift b=-1
Use the completed transformation, at the end of the animation. Find the transformed mean, population variance, and population standard deviation. Givens: Scale a=-0.5; Shift b=-1.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 108
Polynomial roots · First root a=3; Second root b=3
Evaluate at x=0.8. Find the function value, tangent slope, and vertical line of symmetry. Givens: First root a=3; Second root b=3.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 109
Rational functions · Numerator a=2.5; Pole location b=0.5
Evaluate at x=3, exactly 2.5 units to the right of the pole. Find the value, derivative, and excluded input. Givens: Numerator a=2.5; Pole location b=0.5.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 110
Logarithms and domains · Domain boundary a=-0.5; Logarithm base b=3.5
Use x=2.58; the logarithm argument is exactly 3.08. State the domain, evaluate the logarithm, and recover the argument by exponentiation. Givens: Domain boundary a=-0.5; Logarithm base b=3.5.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 111
Exponential calibration · Initial value a=0.5; Exponential rate b=-0.3
Evaluate at t=2.4 time units. Find the signal value, tangent slope, and multiplicative change from f(0). Givens: Initial value a=0.5; Exponential rate b=-0.3.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 112
Geometric sums · First term a=2.5; Ratio r=-0.4
Include the first n=8 terms, from ar⁰ through ar⁷. Calculate the finite sum, last included term, and infinite-series limit. Givens: First term a=2.5; Ratio r=-0.4.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 113
Complex polar form · Modulus r=0.5; Final angle (degrees)=-150
Evaluate at the signed angle θ=-90° (three fifths of that final angle). Find its real and imaginary components and verify its modulus. Givens: Modulus r=0.5; Final angle (degrees)=-150.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 114
Trigonometric periods · Amplitude A=0.5; Angular frequency k=1.5
Evaluate at x=6π/5 radians, keeping π exact during calculation. Find the signal value, derivative with respect to x, and period. Givens: Amplitude A=0.5; Angular frequency k=1.5.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 115
Triangle area and angle · Second side b=2; Included angle (degrees)=60
Use the included angle C=42°. Find the area and the side opposite C. Givens: Second side b=2; Included angle (degrees)=60.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 116
Quadratic sequences · Quadratic coefficient a=-0.5; Linear coefficient b=-1
Use index n=6. Calculate u₆, the forward first difference u₇−u₆, and the second difference u₈−2u₇+u₆. Givens: Quadratic coefficient a=-0.5; Linear coefficient b=-1.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 117
Rescaling data · Scale a=0; Shift b=-0.5
Use the completed transformation, at the end of the animation. Find the transformed mean, population variance, and population standard deviation. Givens: Scale a=0; Shift b=-0.5.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 118
Polynomial roots · First root a=-3; Second root b=-2.5
Evaluate at x=0.8. Find the function value, tangent slope, and vertical line of symmetry. Givens: First root a=-3; Second root b=-2.5.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 119
Rational functions · Numerator a=3; Pole location b=1
Evaluate at x=3.5, exactly 2.5 units to the right of the pole. Find the value, derivative, and excluded input. Givens: Numerator a=3; Pole location b=1.
Question · Worked solution · Animated example
Open practice chapterGrade 11 · Chapter 120
Logarithms and domains · Domain boundary a=0; Logarithm base b=4
Use x=3.08; the logarithm argument is exactly 3.08. State the domain, evaluate the logarithm, and recover the argument by exponentiation. Givens: Domain boundary a=0; Logarithm base b=4.
Question · Worked solution · Animated example
Open practice chapter