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
21–40 of 750 matching chapters · Page 2 of 38
Clear filtersGrade 7 · Chapter 21
Preserve a proportional relationship · practice 3
One batch has 8 units of A and 7 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 chapterGrade 7 · Chapter 22
Track the percent reference base · practice 3
An original amount of 85 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 23
Check a two-step equation · practice 3
Solve 8x + (-9) = -20, 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 24
Reverse order for negative division · practice 3
Solve -7x ≤ 10, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 25
Compare map and model scales · practice 3
Dilate a rectangle with sides 1.5 and 2.75 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 26
Connect circumference and circle area · practice 3
A circle has radius 1. 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 27
Account for every box face · practice 3
Find the surface area of a closed rectangular box with edge lengths 5, 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 28
Test a summary against all readings · practice 3
Find the mean, median, and range of the five values [6, 6, 8, 16, 18]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 29
Build a two-stage outcome table · practice 2
Two independent selections each have six equally likely outcomes. The first has 2 favorable outcomes and the second has 3. Find the probability both are favorable. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 30
Combine rational changes · practice 4
Start at -10 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 31
Preserve a proportional relationship · practice 4
One batch has 4 units of A and 5 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 32
Track the percent reference base · practice 4
An original amount of 110 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 chapterGrade 7 · Chapter 33
Check a two-step equation · practice 4
Solve 7x + (-4) = 49, 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 34
Reverse order for negative division · practice 4
Solve 1x ≤ -15, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 35
Compare map and model scales · practice 4
Dilate a rectangle with sides 2.5 and 4.75 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 36
Connect circumference and circle area · practice 4
A circle has radius 7. Find the area and arc length of its 180° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 37
Account for every box face · practice 4
Find the surface area of a closed rectangular box with edge lengths 1, 4.5, and 8. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 38
Test a summary against all readings · practice 4
Find the mean, median, and range of the five values [8, 10, 13, 18, 20]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 39
Combine rational changes · practice 5
Start at -3.5 and apply a signed change of 7. 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 40
Preserve a proportional relationship · practice 5
One batch has 2 units of A and 4 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
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