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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Practice at your level.
Grade labels are starting points; school sequences vary. Advanced chapters assume the prerequisites listed on their pages.
Attempt · Explain · Animate
Grade 7 practice chapters
681–700 of 750 matching chapters · Page 35 of 38
Clear filtersGrade 7 · Chapter 681
Track the percent reference base · practice 74
An original amount of 60 changes by -10%. 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 682
Check a two-step equation · practice 74
Solve 1x + (-12) = 33, 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 683
Reverse order for negative division · practice 74
Solve -5x ≤ -5, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 684
Compare map and model scales · practice 74
Dilate a rectangle with sides 1.5 and 2.75 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 chapterGrade 7 · Chapter 685
Connect circumference and circle area · practice 71
A circle has radius 5.5. Find the area and arc length of its 45° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 686
Account for every box face · practice 74
Find the surface area of a closed rectangular box with edge lengths 6.5, 8, and 8. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 687
Test a summary against all readings · practice 74
Find the mean, median, and range of the five values [1, 4, 6, 14, 16]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 688
Combine rational changes · practice 74
Start at 2.5 and apply a signed change of 10. 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 689
Preserve a proportional relationship · practice 74
One batch has 12 units of A and 7 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 690
Track the percent reference base · practice 75
An original amount of 85 changes by 85%. 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 691
Check a two-step equation · practice 75
Solve 8x + (-8) = 21, 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 692
Reverse order for negative division · practice 75
Solve -7x ≤ 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 693
Compare map and model scales · practice 75
Dilate a rectangle with sides 2.5 and 4.75 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 694
Connect circumference and circle area · practice 72
A circle has radius 7.5. Find the area and arc length of its 255° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 695
Account for every box face · practice 75
Find the surface area of a closed rectangular box with edge lengths 1, 1.5, and 4.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 696
Test a summary against all readings · practice 75
Find the mean, median, and range of the five values [6, 8, 8, 16, 18]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 697
Combine rational changes · practice 75
Start at -5 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 698
Preserve a proportional relationship · practice 75
One batch has 10 units of A and 6 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 699
Track the percent reference base · practice 76
An original amount of 110 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 700
Check a two-step equation · practice 76
Solve 7x + (-3) = 9, then check by substitution. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapter