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
281–300 of 750 matching chapters · Page 15 of 38
Clear filtersGrade 10 · Chapter 281
Distinguish length and cubic scale · practice 29
A rectangular prism has length 1, width 6.5, 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 282
Restrict a conditional sample space · practice 29
A chosen group contains 8 successes and 1 failures; 7 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 283
Inspect regression residuals · practice 29
For inputs [1, 2, 3, 4, 5] and corresponding outputs [4, 5, 8.5, 12, 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 284
Relate an acute angle to side ratios · practice 29
A right triangle has hypotenuse 5 and a selected acute angle of 15°. 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 285
Measure central-angle proportions · practice 30
A circle has radius 7. Find the area and arc length of its 345° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 286
Verify a distance-preserving rotation · practice 30
Rotate (4.5, 0) about the origin by 30°. 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 287
Connect similarity powers · practice 30
Dilate a rectangle with sides 1 and 4.25 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 288
Verify a coordinate-distance model · practice 26
A right triangle has perpendicular legs 2 and 7. Find its hypotenuse. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 289
Compare a triangle's base and altitude · practice 29
Find the area of a triangle with base 7.5 and perpendicular height 10. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 290
Distinguish length and cubic scale · practice 30
A rectangular prism has length 2.5, width 5, and height 7. Find its volume. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 291
Restrict a conditional sample space · practice 30
A chosen group contains 3 successes and 5 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 292
Inspect regression residuals · practice 30
For inputs [1, 2, 3, 4, 5] and corresponding outputs [4.25, 1.5, 5, 8.5, 5.75], 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 293
Relate an acute angle to side ratios · practice 30
A right triangle has hypotenuse 6 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 294
Measure central-angle proportions · practice 31
A circle has radius 3.5. Find the area and arc length of its 90° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 295
Verify a distance-preserving rotation · practice 31
Rotate (2, 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 296
Connect similarity powers · practice 31
Dilate a rectangle with sides 3 and 3 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 297
Verify a coordinate-distance model · practice 27
A right triangle has perpendicular legs 10 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 298
Track corresponding geometric vertices · practice 29
Translate the point (1, 1) by the vector (2, -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 299
Compare a triangle's base and altitude · practice 30
Find the area of a triangle with base 1.5 and perpendicular height 3. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 300
Distinguish length and cubic scale · practice 31
A rectangular prism has length 1.5, width 1.5, 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 chapter