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
481–500 of 750 matching chapters · Page 25 of 38
Clear filtersGrade 10 · Chapter 481
Restrict a conditional sample space · practice 51
A chosen group contains 2 successes and 4 failures; 2 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 482
Inspect regression residuals · practice 51
For inputs [1, 2, 3, 4, 5] and corresponding outputs [9, 8, 12, 16, 15], 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 483
Relate an acute angle to side ratios · practice 49
A right triangle has hypotenuse 13 and a selected acute angle of 55°. 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 484
Measure central-angle proportions · practice 52
A circle has radius 7. Find the area and arc length of its 315° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 485
Verify a distance-preserving rotation · practice 52
Rotate (4.75, 0) about the origin by -135°. 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 486
Connect similarity powers · practice 51
Dilate a rectangle with sides 1 and 5 by length factor 0.75. 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 487
Track corresponding geometric vertices · practice 48
Translate the point (1, 1) by the vector (5, -2). 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 488
Compare a triangle's base and altitude · practice 51
Find the area of a triangle with base 10.5 and perpendicular height 8. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 489
Distinguish length and cubic scale · practice 52
A rectangular prism has length 7, width 7, and height 7.5. Find its volume. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 490
Restrict a conditional sample space · practice 52
A chosen group contains 5 successes and 7 failures; 9 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 491
Inspect regression residuals · practice 52
For inputs [1, 2, 3, 4, 5] and corresponding outputs [9.25, 4.5, 8.5, 12.5, 7.75], 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 492
Relate an acute angle to side ratios · practice 50
A right triangle has hypotenuse 14 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 493
Measure central-angle proportions · practice 53
A circle has radius 3.5. 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 494
Verify a distance-preserving rotation · practice 53
Rotate (2.25, 0) about the origin by 105°. 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 495
Connect similarity powers · practice 52
Dilate a rectangle with sides 3 and 3.75 by length factor 2.75. 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 496
Track corresponding geometric vertices · practice 49
Translate the point (1, 1) by the vector (-4, 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 497
Compare a triangle's base and altitude · practice 52
Find the area of a triangle with base 4.5 and perpendicular height 1. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 498
Distinguish length and cubic scale · practice 53
A rectangular prism has length 1, width 6, and height 6.5. Find its volume. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 499
Restrict a conditional sample space · practice 53
A chosen group contains 8 successes and 2 failures; 5 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 500
Inspect regression residuals · practice 53
For inputs [1, 2, 3, 4, 5] and corresponding outputs [9.5, 1, 5, 9, 0.5], 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 chapter