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
561–580 of 750 matching chapters · Page 29 of 38
Clear filtersGrade 7 · Chapter 561
Connect circumference and circle area · practice 57
A circle has radius 2. Find the area and arc length of its 270° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 562
Account for every box face · practice 60
Find the surface area of a closed rectangular box with edge lengths 2.5, 4.5, and 6. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 563
Test a summary against all readings · practice 60
Find the mean, median, and range of the five values [8, 10, 10, 12, 19]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 564
Combine rational changes · practice 61
Start at -9 and apply a signed change of -3.5. 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 565
Preserve a proportional relationship · practice 61
One batch has 6 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 566
Track the percent reference base · practice 61
An original amount of 80 changes by 45%. 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 567
Check a two-step equation · practice 61
Solve 6x + (-1) = 24, 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 568
Reverse order for negative division · practice 61
Solve -3x ≤ -13, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 569
Compare map and model scales · practice 61
Dilate a rectangle with sides 2.5 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 570
Connect circumference and circle area · practice 58
A circle has radius 8. Find the area and arc length of its 210° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 571
Account for every box face · practice 61
Find the surface area of a closed rectangular box with edge lengths 2, 3, and 3.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 572
Test a summary against all readings · practice 61
Find the mean, median, and range of the five values [2, 4, 7, 13, 15]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 573
Combine rational changes · practice 62
Start at -2.5 and apply a signed change of 9. 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 574
Preserve a proportional relationship · practice 62
One batch has 4 units of A and 12 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 575
Track the percent reference base · practice 62
An original amount of 105 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 576
Check a two-step equation · practice 62
Solve 5x + (4) = 12, 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 577
Reverse order for negative division · practice 62
Solve -5x ≤ 10, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 578
Compare map and model scales · practice 62
Dilate a rectangle with sides 1 and 3.25 by length factor 2.75. 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 579
Connect circumference and circle area · practice 59
A circle has radius 6.5. Find the area and arc length of its 165° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 580
Account for every box face · practice 62
Find the surface area of a closed rectangular box with edge lengths 2.5, 5, and 8. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapter