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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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
381–400 of 750 matching chapters · Page 20 of 38
Clear filtersGrade 10 · Chapter 381
Track corresponding geometric vertices · practice 37
Translate the point (1, 1) by the vector (5, -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 382
Compare a triangle's base and altitude · practice 39
Find the area of a triangle with base 8 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 383
Distinguish length and cubic scale · practice 40
A rectangular prism has length 3.5, width 5, 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 384
Restrict a conditional sample space · practice 40
A chosen group contains 1 successes and 7 failures; 4 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 385
Inspect regression residuals · practice 40
For inputs [1, 2, 3, 4, 5] and corresponding outputs [-0.5, -9, -5, -1, -9.5], 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 386
Relate an acute angle to side ratios · practice 39
A right triangle has hypotenuse 2 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 387
Measure central-angle proportions · practice 41
A circle has radius 6. Find the area and arc length of its 225° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 388
Verify a distance-preserving rotation · practice 41
Rotate (2.5, 0) about the origin by -45°. 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 389
Connect similarity powers · practice 40
Dilate a rectangle with sides 1 and 2 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 390
Track corresponding geometric vertices · practice 38
Translate the point (1, 1) by the vector (-4, 3). 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 391
Compare a triangle's base and altitude · practice 40
Find the area of a triangle with base 10.5 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 392
Distinguish length and cubic scale · practice 41
A rectangular prism has length 5.5, width 6, 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 393
Restrict a conditional sample space · practice 41
A chosen group contains 4 successes and 2 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 394
Inspect regression residuals · practice 41
For inputs [1, 2, 3, 4, 5] and corresponding outputs [-3.5, -6, -8.5, -11, -13.5], 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 395
Relate an acute angle to side ratios · practice 40
A right triangle has hypotenuse 3 and a selected acute angle of 45°. 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 396
Measure central-angle proportions · practice 42
A circle has radius 4.5. Find the area and arc length of its 180° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 397
Verify a distance-preserving rotation · practice 42
Rotate (4.25, 0) about the origin by 180°. 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 398
Connect similarity powers · practice 41
Dilate a rectangle with sides 3 and 6 by length factor 0.5. 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 399
Compare a triangle's base and altitude · practice 41
Find the area of a triangle with base 1.5 and perpendicular height 5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 400
Distinguish length and cubic scale · practice 42
A rectangular prism has length 1, width 3.5, and height 4. Find its volume. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapter