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
621–640 of 750 matching chapters · Page 32 of 38
Clear filtersGrade 7 · Chapter 621
Check a two-step equation · practice 67
Solve 8x + (3) = 34, 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 622
Reverse order for negative division · practice 67
Solve 7x ≤ -21, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 623
Compare map and model scales · practice 67
Dilate a rectangle with sides 4.5 and 5.75 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 624
Connect circumference and circle area · practice 64
A circle has radius 2. Find the area and arc length of its 30° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 625
Account for every box face · practice 67
Find the surface area of a closed rectangular box with edge lengths 4.5, 6.5, and 8. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 626
Test a summary against all readings · practice 67
Find the mean, median, and range of the five values [6, 8, 10, 17, 19]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 627
Combine rational changes · practice 68
Start at 0 and apply a signed change of 9.5. 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 628
Track the percent reference base · practice 68
An original amount of 95 changes by 35%. 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 629
Check a two-step equation · practice 68
Solve 7x + (8) = 22, 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 630
Reverse order for negative division · practice 68
Solve 1x ≤ 3, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 631
Compare map and model scales · practice 68
Dilate a rectangle with sides 3 and 3.5 by length factor 3. 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 632
Connect circumference and circle area · practice 65
A circle has radius 4. Find the area and arc length of its 240° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 633
Account for every box face · practice 68
Find the surface area of a closed rectangular box with edge lengths 1.5, 2.5, and 5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 634
Test a summary against all readings · practice 68
Find the mean, median, and range of the five values [8, 9, 10, 11, 17]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 635
Combine rational changes · practice 69
Start at -7.5 and apply a signed change of -6. 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 636
Preserve a proportional relationship · practice 68
One batch has 2 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 637
Track the percent reference base · practice 69
An original amount of 120 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 638
Check a two-step equation · practice 69
Solve 6x + (-12) = 11, 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 639
Reverse order for negative division · practice 69
Solve -3x ≤ -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 640
Compare map and model scales · practice 69
Dilate a rectangle with sides 4 and 5.5 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 chapter