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
461–480 of 750 matching chapters · Page 24 of 38
Clear filtersGrade 7 · Chapter 461
Compare map and model scales · practice 49
Dilate a rectangle with sides 1.5 and 5.75 by length factor 2.5. 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 462
Connect circumference and circle area · practice 46
A circle has radius 1.5. 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 7 · Chapter 463
Account for every box face · practice 49
Find the surface area of a closed rectangular box with edge lengths 3.5, 6.5, and 7. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 464
Test a summary against all readings · practice 49
Find the mean, median, and range of the five values [2, 4, 14, 16, 20]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 465
Combine rational changes · practice 50
Start at -7.5 and apply a signed change of 8. 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 466
Preserve a proportional relationship · practice 50
One batch has 8 units of A and 4 units of B. Find both quantities in 6 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 467
Track the percent reference base · practice 50
An original amount of 175 changes by 75%. 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 468
Check a two-step equation · practice 50
Solve 1x + (-4) = -8, 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 469
Reverse order for negative division · practice 50
Solve 5x ≤ -24, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 470
Compare map and model scales · practice 50
Dilate a rectangle with sides 2.5 and 2.5 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 7 · Chapter 471
Connect circumference and circle area · practice 47
A circle has radius 5.5. Find the area and arc length of its 75° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 472
Account for every box face · practice 50
Find the surface area of a closed rectangular box with edge lengths 5, 5, and 6. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 473
Test a summary against all readings · practice 50
Find the mean, median, and range of the five values [4, 6, 7, 17, 19]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 474
Combine rational changes · practice 51
Start at 5.5 and apply a signed change of -8. 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 475
Preserve a proportional relationship · practice 51
One batch has 6 units of A and 3 units of B. Find both quantities in 8 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 476
Track the percent reference base · practice 51
An original amount of 200 changes by 15%. 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 477
Check a two-step equation · practice 51
Solve 8x + (0) = -20, 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 478
Reverse order for negative division · practice 51
Solve 7x ≤ -1, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 479
Compare map and model scales · practice 51
Dilate a rectangle with sides 3.5 and 4.5 by length factor 1.75. 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 480
Connect circumference and circle area · practice 48
A circle has radius 7.5. 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 chapter