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
281–300 of 750 matching chapters · Page 15 of 38
Clear filtersGrade 7 · Chapter 281
Preserve a proportional relationship · practice 30
One batch has 4 units of A and 6 units of B. Find both quantities in 4 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 282
Track the percent reference base · practice 30
An original amount of 20 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 283
Check a two-step equation · practice 30
Solve 5x + (-2) = -15, 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 284
Reverse order for negative division · practice 30
Solve 5x ≤ 1, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 285
Compare map and model scales · practice 30
Dilate a rectangle with sides 3.5 and 3.75 by length factor 3. 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 286
Connect circumference and circle area · practice 27
A circle has radius 6. Find the area and arc length of its 270° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 287
Account for every box face · practice 30
Find the surface area of a closed rectangular box with edge lengths 1, 1.5, and 4. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 288
Test a summary against all readings · practice 30
Find the mean, median, and range of the five values [2, 4, 6, 10, 12]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 289
Build a two-stage outcome table · practice 22
Two independent selections each have six equally likely outcomes. The first has 5 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 290
Combine rational changes · practice 31
Start at -1 and apply a signed change of -6.5. 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 291
Preserve a proportional relationship · practice 31
One batch has 2 units of A and 5 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 292
Track the percent reference base · practice 31
An original amount of 45 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 293
Check a two-step equation · practice 31
Solve 4x + (3) = 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 294
Reverse order for negative division · practice 31
Solve 7x ≤ 24, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 295
Compare map and model scales · practice 31
Dilate a rectangle with sides 4.5 and 5.75 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 296
Connect circumference and circle area · practice 28
A circle has radius 4.5. Find the area and arc length of its 225° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 297
Account for every box face · practice 31
Find the surface area of a closed rectangular box with edge lengths 2, 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 298
Test a summary against all readings · practice 31
Find the mean, median, and range of the five values [6, 8, 9, 12, 14]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 299
Combine rational changes · practice 32
Start at 5.5 and apply a signed change of 6. 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 300
Preserve a proportional relationship · practice 32
One batch has 12 units of A and 3 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