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
361–380 of 750 matching chapters · Page 19 of 38
Clear filtersGrade 10 · Chapter 361
Measure central-angle proportions · practice 38
A circle has radius 1.5. 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 362
Verify a distance-preserving rotation · practice 38
Rotate (1.5, 0) about the origin by 15°. 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 363
Connect similarity powers · practice 38
Dilate a rectangle with sides 3 and 4.5 by length factor 2.25. 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 364
Track corresponding geometric vertices · practice 35
Translate the point (1, 1) by the vector (3, 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 365
Compare a triangle's base and altitude · practice 37
Find the area of a triangle with base 5.5 and perpendicular height 9. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 366
Distinguish length and cubic scale · practice 38
A rectangular prism has length 1.5, width 4.5, 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 367
Restrict a conditional sample space · practice 38
A chosen group contains 3 successes and 8 failures; 1 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 368
Inspect regression residuals · practice 38
For inputs [1, 2, 3, 4, 5] and corresponding outputs [10.75, 10.5, 14, 17.5, 17.25], 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 369
Relate an acute angle to side ratios · practice 37
A right triangle has hypotenuse 14 and a selected acute angle of 50°. 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 370
Measure central-angle proportions · practice 39
A circle has radius 5.5. 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 371
Verify a distance-preserving rotation · practice 39
Rotate (3.25, 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 372
Track corresponding geometric vertices · practice 36
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 373
Compare a triangle's base and altitude · practice 38
Find the area of a triangle with base 11 and perpendicular height 1.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 374
Distinguish length and cubic scale · practice 39
A rectangular prism has length 3, width 3, and height 3.5. Find its volume. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 375
Restrict a conditional sample space · practice 39
A chosen group contains 6 successes and 3 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 376
Inspect regression residuals · practice 39
For inputs [1, 2, 3, 4, 5] and corresponding outputs [-0.75, -5.5, -1.5, 2.5, -2.25], 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 377
Relate an acute angle to side ratios · practice 38
A right triangle has hypotenuse 15 and a selected acute angle of 25°. 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 378
Measure central-angle proportions · practice 40
A circle has radius 7.5. Find the area and arc length of its 270° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 379
Verify a distance-preserving rotation · practice 40
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 380
Connect similarity powers · practice 39
Dilate a rectangle with sides 2.5 and 4.25 by length factor 3. 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 chapter