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

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Practice at your level.
Grade labels are starting points; school sequences vary. Advanced chapters assume the prerequisites listed on their pages.
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Grade 10 practice chapters
221–240 of 750 matching chapters · Page 12 of 38
Clear filtersGrade 10 · Chapter 221
Distinguish length and cubic scale · practice 23
A rectangular prism has length 2.5, width 2.5, and height 4.5. Find its volume. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 222
Restrict a conditional sample space · practice 23
A chosen group contains 6 successes and 5 failures; 10 cases lie outside it. Find P(success | chosen group) and the fraction of all cases in the chosen group. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 223
Inspect regression residuals · practice 23
For inputs [1, 2, 3, 4, 5] and corresponding outputs [-2, -11, -7.5, -4, -13], find the least-squares slope, mean output, and sum of squared residuals. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 224
Relate an acute angle to side ratios · practice 23
A right triangle has hypotenuse 13 and a selected acute angle of 30°. Find the opposite and adjacent legs. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 225
Measure central-angle proportions · practice 24
A circle has radius 3.5. Find the area and arc length of its 330° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 226
Verify a distance-preserving rotation · practice 24
Rotate (5, 0) about the origin by -90°. Find the image and its distance from the origin. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 227
Connect similarity powers · practice 24
Dilate a rectangle with sides 2.5 and 5 by length factor 2.5. Find the new side lengths and area. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 228
Verify a coordinate-distance model · practice 20
A right triangle has perpendicular legs 2 and 9. Find its hypotenuse. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 229
Track corresponding geometric vertices · practice 23
Translate the point (1, 1) by the vector (3, 4). Find the image and the movement length. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 230
Compare a triangle's base and altitude · practice 23
Find the area of a triangle with base 6 and perpendicular height 2.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 231
Distinguish length and cubic scale · practice 24
A rectangular prism has length 3.5, width 7, and height 8. Find its volume. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 232
Restrict a conditional sample space · practice 24
A chosen group contains 1 successes and 1 failures; 6 cases lie outside it. Find P(success | chosen group) and the fraction of all cases in the chosen group. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 233
Inspect regression residuals · practice 24
For inputs [1, 2, 3, 4, 5] and corresponding outputs [-5, -8, -11, -14, -17], find the least-squares slope, mean output, and sum of squared residuals. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 234
Relate an acute angle to side ratios · practice 24
A right triangle has hypotenuse 14 and a selected acute angle of 70°. Find the opposite and adjacent legs. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 235
Measure central-angle proportions · practice 25
A circle has radius 7.5. Find the area and arc length of its 60° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 236
Verify a distance-preserving rotation · practice 25
Rotate (2.5, 0) about the origin by 150°. Find the image and its distance from the origin. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 237
Connect similarity powers · practice 25
Dilate a rectangle with sides 5.5 and 5.75 by length factor 1.25. Find the new side lengths and area. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 238
Verify a coordinate-distance model · practice 21
A right triangle has perpendicular legs 6 and 8. Find its hypotenuse. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 239
Track corresponding geometric vertices · practice 24
Translate the point (1, 1) by the vector (4, -1). Find the image and the movement length. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 240
Compare a triangle's base and altitude · practice 24
Find the area of a triangle with base 3 and perpendicular height 8.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapter