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
741–750 of 750 matching chapters · Page 38 of 38
Clear filtersGrade 7 · Chapter 741
Track the percent reference base · practice 81
An original amount of 75 changes by -20%. 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 742
Check a two-step equation · practice 81
Solve 2x + (-3) = 31, 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 743
Reverse order for negative division · practice 81
Solve 3x ≤ 11, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 744
Compare map and model scales · practice 81
Dilate a rectangle with sides 4.5 and 5 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 745
Connect circumference and circle area · practice 75
A circle has radius 3.5. Find the area and arc length of its 285° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 746
Account for every box face · practice 81
Find the surface area of a closed rectangular box with edge lengths 6, 7, and 7.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 747
Test a summary against all readings · practice 81
Find the mean, median, and range of the five values [2, 4, 10, 12, 12]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 748
Combine rational changes · practice 81
Start at -2.5 and apply a signed change of -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 749
Preserve a proportional relationship · practice 81
One batch has 8 units of A and 10 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 750
Track the percent reference base · practice 82
An original amount of 100 changes by 75%. 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 chapter