Math With Amar · Guided 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
401–420 of 750 matching chapters · Page 21 of 38
Clear filtersGrade 7 · Chapter 401
Test a summary against all readings · practice 42
Find the mean, median, and range of the five values [4, 6, 9, 18, 20]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 402
Combine rational changes · practice 43
Start at 4 and apply a signed change of -5.5. 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 403
Preserve a proportional relationship · practice 43
One batch has 10 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 404
Track the percent reference base · practice 43
An original amount of 185 changes by 25%. 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 405
Check a two-step equation · practice 43
Solve 8x + (11) = -7, 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 406
Reverse order for negative division · practice 43
Solve 7x ≤ 9, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 407
Compare map and model scales · practice 43
Dilate a rectangle with sides 2 and 4.5 by length factor 0.75. 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 408
Connect circumference and circle area · practice 40
A circle has radius 5.5. Find the area and arc length of its 315° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 409
Account for every box face · practice 43
Find the surface area of a closed rectangular box with edge lengths 5.5, 6, and 6.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 410
Test a summary against all readings · practice 43
Find the mean, median, and range of the five values [6, 8, 10, 12, 16]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 411
Combine rational changes · practice 44
Start at -10 and apply a signed change of 7.5. 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 412
Preserve a proportional relationship · practice 44
One batch has 8 units of A and 11 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 413
Track the percent reference base · practice 44
An original amount of 25 changes by -30%. 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 414
Check a two-step equation · practice 44
Solve 7x + (-9) = -18, 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 415
Reverse order for negative division · practice 44
Solve -1x ≤ -16, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 416
Compare map and model scales · practice 44
Dilate a rectangle with sides 5 and 5.25 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 417
Connect circumference and circle area · practice 41
A circle has radius 2. Find the area and arc length of its 60° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 418
Account for every box face · practice 44
Find the surface area of a closed rectangular box with edge lengths 1, 3.5, and 4.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 419
Test a summary against all readings · practice 44
Find the mean, median, and range of the five values [3, 8, 10, 13, 15]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 420
Combine rational changes · practice 45
Start at 3 and apply a signed change of -8.5. Where do you finish? Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapter