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
241–260 of 750 matching chapters · Page 13 of 38
Clear filtersGrade 10 · Chapter 241
Distinguish length and cubic scale · practice 25
A rectangular prism has length 5, width 5.5, 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 242
Restrict a conditional sample space · practice 25
A chosen group contains 4 successes and 4 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 243
Inspect regression residuals · practice 25
For inputs [1, 2, 3, 4, 5] and corresponding outputs [0.75, 0.5, 4, 7.5, 7.25], 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 244
Relate an acute angle to side ratios · practice 25
A right triangle has hypotenuse 15 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 245
Measure central-angle proportions · practice 26
A circle has radius 2. Find the area and arc length of its 285° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 246
Verify a distance-preserving rotation · practice 26
Rotate (1.75, 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 247
Connect similarity powers · practice 26
Dilate a rectangle with sides 2 and 4.75 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 248
Verify a coordinate-distance model · practice 22
A right triangle has perpendicular legs 4 and 11. Find its hypotenuse. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 249
Track corresponding geometric vertices · practice 25
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 250
Compare a triangle's base and altitude · practice 25
Find the area of a triangle with base 8.5 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 251
Distinguish length and cubic scale · practice 26
A rectangular prism has length 3, width 6, 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 252
Restrict a conditional sample space · practice 26
A chosen group contains 7 successes and 7 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 253
Inspect regression residuals · practice 26
For inputs [1, 2, 3, 4, 5] and corresponding outputs [1, -3, 0.5, 4, 0], 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 254
Relate an acute angle to side ratios · practice 26
A right triangle has hypotenuse 2 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 255
Measure central-angle proportions · practice 27
A circle has radius 8. 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 256
Verify a distance-preserving rotation · practice 27
Rotate (3.5, 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 257
Connect similarity powers · practice 27
Dilate a rectangle with sides 5 and 5.5 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 258
Verify a coordinate-distance model · practice 23
A right triangle has perpendicular legs 2 and 2. Find its hypotenuse. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 259
Track corresponding geometric vertices · practice 26
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 260
Compare a triangle's base and altitude · practice 26
Find the area of a triangle with base 5.5 and perpendicular height 7. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapter