Math With Amar · Guided practice
10,000 ways to practice.
One idea at a time.
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
41–60 of 750 matching chapters · Page 3 of 38
Clear filtersGrade 7 · Chapter 41
Track the percent reference base · practice 5
An original amount of 135 changes by 15%. 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 42
Check a two-step equation · practice 5
Solve 6x + (1) = 37, 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 43
Reverse order for negative division · practice 5
Solve 3x ≤ 8, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 44
Compare map and model scales · practice 5
Dilate a rectangle with sides 5.5 and 5.5 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 45
Connect circumference and circle area · practice 5
A circle has radius 5.5. Find the area and arc length of its 135° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 46
Account for every box face · practice 5
Find the surface area of a closed rectangular box with edge lengths 2.5, 3, and 7. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 47
Test a summary against all readings · practice 5
Find the mean, median, and range of the five values [1, 2, 4, 11, 13]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 48
Build a two-stage outcome table · practice 3
Two independent selections each have six equally likely outcomes. The first has 6 favorable outcomes and the second has 4. 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 49
Combine rational changes · practice 6
Start at 9.5 and apply a signed change of -9. 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 50
Preserve a proportional relationship · practice 6
One batch has 12 units of A and 2 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 51
Track the percent reference base · practice 6
An original amount of 160 changes by -45%. 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 52
Check a two-step equation · practice 6
Solve 5x + (6) = 25, 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 53
Reverse order for negative division · practice 6
Solve -5x ≤ -18, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 54
Compare map and model scales · practice 6
Dilate a rectangle with sides 1 and 2.5 by length factor 2. 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 55
Connect circumference and circle area · practice 6
A circle has radius 7.5. Find the area and arc length of its 345° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 56
Account for every box face · practice 6
Find the surface area of a closed rectangular box with edge lengths 5, 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 57
Test a summary against all readings · practice 6
Find the mean, median, and range of the five values [4, 6, 8, 13, 15]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 58
Build a two-stage outcome table · practice 4
Two independent selections each have six equally likely outcomes. The first has 5 favorable outcomes and the second has 2. 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 59
Combine rational changes · practice 7
Start at -4.5 and apply a signed change of 4. 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 60
Preserve a proportional relationship · practice 7
One batch has 8 units of A and 12 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 chapter