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
661–680 of 750 matching chapters · Page 34 of 38
Clear filtersGrade 7 · Chapter 661
Test a summary against all readings · practice 71
Find the mean, median, and range of the five values [6, 8, 16, 18, 19]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 662
Preserve a proportional relationship · practice 71
One batch has 8 units of A and 12 units of B. Find both quantities in 3 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 663
Track the percent reference base · practice 72
An original amount of 195 changes by -50%. 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 664
Check a two-step equation · practice 72
Solve 3x + (3) = 56, 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 665
Reverse order for negative division · practice 72
Solve 1x ≤ -2, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 666
Compare map and model scales · practice 72
Dilate a rectangle with sides 2 and 3 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 667
Connect circumference and circle area · practice 69
A circle has radius 7. Find the area and arc length of its 90° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 668
Account for every box face · practice 72
Find the surface area of a closed rectangular box with edge lengths 1.5, 3, and 7. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 669
Test a summary against all readings · practice 72
Find the mean, median, and range of the five values [6, 8, 9, 10, 11]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 670
Combine rational changes · practice 72
Start at -3 and apply a signed change of 0.5. 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 671
Preserve a proportional relationship · practice 72
One batch has 6 units of A and 11 units of B. Find both quantities in 5 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 672
Track the percent reference base · practice 73
An original amount of 35 changes by 50%. 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 673
Check a two-step equation · practice 73
Solve 2x + (8) = 44, 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 674
Reverse order for negative division · practice 73
Solve 3x ≤ 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 675
Compare map and model scales · practice 73
Dilate a rectangle with sides 3 and 5 by length factor 1.25. 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 676
Connect circumference and circle area · practice 70
A circle has radius 1.5. 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 677
Account for every box face · practice 73
Find the surface area of a closed rectangular box with edge lengths 4, 5.5, and 7.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 678
Test a summary against all readings · practice 73
Find the mean, median, and range of the five values [2, 4, 11, 13, 14]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 679
Combine rational changes · practice 73
Start at -4 and apply a signed change of -2.5. 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 680
Preserve a proportional relationship · practice 73
One batch has 4 units of A and 10 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 chapter