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
641–660 of 750 matching chapters · Page 33 of 38
Clear filtersGrade 7 · Chapter 641
Connect circumference and circle area · practice 66
A circle has radius 2.5. Find the area and arc length of its 195° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 642
Account for every box face · practice 69
Find the surface area of a closed rectangular box with edge lengths 2.5, 6.5, and 6.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 643
Test a summary against all readings · practice 69
Find the mean, median, and range of the five values [2, 4, 5, 12, 14]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 644
Combine rational changes · practice 70
Start at -1 and apply a signed change of 6.5. 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 645
Preserve a proportional relationship · practice 69
One batch has 12 units of A and 2 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 646
Track the percent reference base · practice 70
An original amount of 145 changes by 70%. 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 647
Check a two-step equation · practice 70
Solve 5x + (-7) = -1, 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 648
Reverse order for negative division · practice 70
Solve -5x ≤ 0, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 649
Compare map and model scales · practice 70
Dilate a rectangle with sides 3.5 and 5.25 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 7 · Chapter 650
Connect circumference and circle area · practice 67
A circle has radius 1. 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 651
Account for every box face · practice 70
Find the surface area of a closed rectangular box with edge lengths 4, 5, and 5.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 652
Test a summary against all readings · practice 70
Find the mean, median, and range of the five values [4, 6, 12, 14, 16]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 653
Combine rational changes · practice 71
Start at -8.5 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 654
Preserve a proportional relationship · practice 70
One batch has 10 units of A and 1 units of B. Find both quantities in 2 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 655
Track the percent reference base · practice 71
An original amount of 170 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 656
Check a two-step equation · practice 71
Solve 4x + (-2) = -13, 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 657
Reverse order for negative division · practice 71
Solve -7x ≤ 23, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 658
Compare map and model scales · practice 71
Dilate a rectangle with sides 1 and 1 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 659
Connect circumference and circle area · practice 68
A circle has radius 3. 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 660
Account for every box face · practice 71
Find the surface area of a closed rectangular box with edge lengths 1, 1, and 2.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapter