Math With Amar · Guided practice
10,000 ways to 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
721–740 of 750 matching chapters · Page 37 of 38
Clear filtersGrade 7 · Chapter 721
Test a summary against all readings · practice 78
Find the mean, median, and range of the five values [4, 6, 10, 13, 15]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 722
Combine rational changes · practice 78
Start at 0.5 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 723
Preserve a proportional relationship · practice 78
One batch has 2 units of A and 2 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 724
Track the percent reference base · practice 79
An original amount of 25 changes by 100%. 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 725
Check a two-step equation · practice 79
Solve 4x + (12) = 54, 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 726
Reverse order for negative division · practice 79
Solve -7x ≤ 13, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 727
Compare map and model scales · practice 79
Dilate a rectangle with sides 5 and 5.25 by length factor 1.5. 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 728
Connect circumference and circle area · practice 74
A circle has radius 5. Find the area and arc length of its 330° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 729
Account for every box face · practice 79
Find the surface area of a closed rectangular box with edge lengths 2, 6, and 8. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 730
Test a summary against all readings · practice 79
Find the mean, median, and range of the five values [6, 8, 15, 17, 17]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 731
Combine rational changes · practice 79
Start at -0.5 and apply a signed change of 1. 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 732
Preserve a proportional relationship · practice 79
One batch has 12 units of A and 12 units of B. Find both quantities in 6 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 733
Track the percent reference base · practice 80
An original amount of 50 changes by 40%. 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 734
Check a two-step equation · practice 80
Solve 3x + (-8) = 43, 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 735
Reverse order for negative division · practice 80
Solve 1x ≤ -12, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 736
Compare map and model scales · practice 80
Dilate a rectangle with sides 1.5 and 4.25 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 737
Account for every box face · practice 80
Find the surface area of a closed rectangular box with edge lengths 3.5, 4.5, and 7. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 738
Test a summary against all readings · practice 80
Find the mean, median, and range of the five values [4, 8, 10, 18, 20]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 739
Combine rational changes · practice 80
Start at -1.5 and apply a signed change of -2. 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 740
Preserve a proportional relationship · practice 80
One batch has 10 units of A and 11 units of B. Find both quantities in 8 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