Math With Amar · Guided practice
10,000 ways to practice.
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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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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
321–340 of 750 matching chapters · Page 17 of 38
Clear filtersGrade 10 · Chapter 321
Restrict a conditional sample space · practice 33
A chosen group contains 4 successes and 7 failures; 12 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 322
Inspect regression residuals · practice 33
For inputs [1, 2, 3, 4, 5] and corresponding outputs [7.25, 9.5, 13, 16.5, 18.75], 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 323
Measure central-angle proportions · practice 34
A circle has radius 4. Find the area and arc length of its 255° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 324
Verify a distance-preserving rotation · practice 34
Rotate (3, 0) about the origin by -165°. 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 325
Connect similarity powers · practice 34
Dilate a rectangle with sides 2.5 and 2.75 by length factor 2. 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 326
Verify a coordinate-distance model · practice 30
A right triangle has perpendicular legs 2 and 12. Find its hypotenuse. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 327
Track corresponding geometric vertices · practice 32
Translate the point (1, 1) by the vector (-5, -6). 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 328
Compare a triangle's base and altitude · practice 33
Find the area of a triangle with base 1 and perpendicular height 7.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 329
Distinguish length and cubic scale · practice 34
A rectangular prism has length 1, width 1, and height 1.5. Find its volume. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 330
Restrict a conditional sample space · practice 34
A chosen group contains 7 successes and 2 failures; 8 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 331
Inspect regression residuals · practice 34
For inputs [1, 2, 3, 4, 5] and corresponding outputs [7.5, 6, 9.5, 13, 11.5], 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 332
Relate an acute angle to side ratios · practice 33
A right triangle has hypotenuse 10 and a selected acute angle of 20°. 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 333
Measure central-angle proportions · practice 35
A circle has radius 2.5. Find the area and arc length of its 210° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 334
Verify a distance-preserving rotation · practice 35
Rotate (4.75, 0) about the origin by 60°. 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 335
Connect similarity powers · practice 35
Dilate a rectangle with sides 3.5 and 4.75 by length factor 1.5. 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 336
Verify a coordinate-distance model · practice 31
A right triangle has perpendicular legs 8 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 337
Track corresponding geometric vertices · practice 33
Translate the point (1, 1) by the vector (-2, 5). 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 338
Compare a triangle's base and altitude · practice 34
Find the area of a triangle with base 3.5 and perpendicular height 6. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 339
Distinguish length and cubic scale · practice 35
A rectangular prism has length 1.5, width 3, and height 6. Find its volume. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 340
Restrict a conditional sample space · practice 35
A chosen group contains 2 successes and 6 failures; 3 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 chapter