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
Choose a starting point
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
501–520 of 750 matching chapters · Page 26 of 38
Clear filtersGrade 7 · Chapter 501
Combine rational changes · practice 54
Start at 10 and apply a signed change of -1.5. 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 502
Preserve a proportional relationship · practice 54
One batch has 12 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 503
Track the percent reference base · practice 54
An original amount of 90 changes by -5%. 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 504
Check a two-step equation · practice 54
Solve 5x + (-10) = 26, 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 505
Reverse order for negative division · practice 54
Solve -5x ≤ 20, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 506
Compare map and model scales · practice 54
Dilate a rectangle with sides 3 and 4.25 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 507
Connect circumference and circle area · practice 51
A circle has radius 4.5. Find the area and arc length of its 195° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 508
Account for every box face · practice 54
Find the surface area of a closed rectangular box with edge lengths 3, 5.5, and 6.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 509
Test a summary against all readings · practice 54
Find the mean, median, and range of the five values [4, 6, 16, 16, 18]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 510
Combine rational changes · practice 55
Start at 9 and apply a signed change of -4.5. 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 511
Preserve a proportional relationship · practice 55
One batch has 10 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 chapterGrade 7 · Chapter 512
Track the percent reference base · practice 55
An original amount of 115 changes by 90%. 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 513
Check a two-step equation · practice 55
Solve 4x + (-5) = 14, 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 514
Reverse order for negative division · practice 55
Solve 7x ≤ -6, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 515
Compare map and model scales · practice 55
Dilate a rectangle with sides 2.5 and 4 by length factor 0.5. 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 516
Connect circumference and circle area · practice 52
A circle has radius 3. Find the area and arc length of its 150° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 517
Account for every box face · practice 55
Find the surface area of a closed rectangular box with edge lengths 2, 2, and 7. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 518
Test a summary against all readings · practice 55
Find the mean, median, and range of the five values [3, 6, 8, 9, 11]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 519
Combine rational changes · practice 56
Start at -5 and apply a signed change of 8.5. 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 520
Preserve a proportional relationship · practice 56
One batch has 6 units of A and 8 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 chapter