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 7 practice chapters
381–400 of 750 matching chapters · Page 20 of 38
Clear filtersGrade 7 · Chapter 381
Connect circumference and circle area · practice 37
A circle has radius 5. Find the area and arc length of its 150° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 382
Account for every box face · practice 40
Find the surface area of a closed rectangular box with edge lengths 1.5, 5, and 7. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 383
Test a summary against all readings · practice 40
Find the mean, median, and range of the five values [8, 10, 13, 14, 15]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 384
Combine rational changes · practice 41
Start at 6 and apply a signed change of 0.5. Where do you finish? Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 385
Preserve a proportional relationship · practice 41
One batch has 2 units of A and 3 units of B. Find both quantities in 5 identical batches and the fraction of the total that is A. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 386
Track the percent reference base · practice 41
An original amount of 135 changes by -10%. Find the signed change and the new amount. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 387
Check a two-step equation · practice 41
Solve 2x + (2) = 17, then check by substitution. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 388
Reverse order for negative division · practice 41
Solve -3x ≤ 12, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 389
Compare map and model scales · practice 41
Dilate a rectangle with sides 5.5 and 5.5 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 7 · Chapter 390
Connect circumference and circle area · practice 38
A circle has radius 7. Find the area and arc length of its 360° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 391
Account for every box face · practice 41
Find the surface area of a closed rectangular box with edge lengths 3, 3.5, and 6. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 392
Test a summary against all readings · practice 41
Find the mean, median, and range of the five values [2, 2, 4, 16, 18]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 393
Combine rational changes · practice 42
Start at 5 and apply a signed change of -2.5. Where do you finish? Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 394
Preserve a proportional relationship · practice 42
One batch has 12 units of A and 1 units of B. Find both quantities in 7 identical batches and the fraction of the total that is A. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 395
Track the percent reference base · practice 42
An original amount of 160 changes by 85%. Find the signed change and the new amount. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 396
Check a two-step equation · practice 42
Solve 1x + (7) = 5, then check by substitution. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 397
Reverse order for negative division · practice 42
Solve 5x ≤ -14, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 398
Compare map and model scales · practice 42
Dilate a rectangle with sides 1 and 2.5 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 7 · Chapter 399
Connect circumference and circle area · practice 39
A circle has radius 3.5. Find the area and arc length of its 105° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 400
Account for every box face · practice 42
Find the surface area of a closed rectangular box with edge lengths 4, 7.5, and 7.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapter