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
301–320 of 750 matching chapters · Page 16 of 38
Clear filtersGrade 7 · Chapter 301
Track the percent reference base · practice 32
An original amount of 70 changes by -35%. 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 302
Check a two-step equation · practice 32
Solve 3x + (8) = 42, 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 303
Reverse order for negative division · practice 32
Solve -1x ≤ -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 304
Compare map and model scales · practice 32
Dilate a rectangle with sides 1 and 4.75 by length factor 1.75. 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 305
Connect circumference and circle area · practice 29
A circle has radius 3. Find the area and arc length of its 180° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 306
Account for every box face · practice 32
Find the surface area of a closed rectangular box with edge lengths 3.5, 4, and 4.5. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 307
Test a summary against all readings · practice 32
Find the mean, median, and range of the five values [8, 10, 14, 16, 16]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 308
Build a two-stage outcome table · practice 23
Two independent selections each have six equally likely outcomes. The first has 3 favorable outcomes and the second has 6. 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 309
Combine rational changes · practice 33
Start at -2 and apply a signed change of -9.5. 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 310
Preserve a proportional relationship · practice 33
One batch has 10 units of A and 2 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 chapterGrade 7 · Chapter 311
Track the percent reference base · practice 33
An original amount of 95 changes by 60%. 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 312
Check a two-step equation · practice 33
Solve 2x + (-12) = 31, 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 313
Reverse order for negative division · practice 33
Solve -3x ≤ 22, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 314
Compare map and model scales · practice 33
Dilate a rectangle with sides 4 and 5.5 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 315
Connect circumference and circle area · practice 30
A circle has radius 1.5. 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 316
Account for every box face · practice 33
Find the surface area of a closed rectangular box with edge lengths 1, 2, and 6. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 317
Test a summary against all readings · practice 33
Find the mean, median, and range of the five values [2, 4, 4, 17, 19]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 318
Build a two-stage outcome table · practice 24
Two independent selections each have six equally likely outcomes. The first has 2 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 319
Combine rational changes · practice 34
Start at 4.5 and apply a signed change of 3. 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 320
Preserve a proportional relationship · practice 34
One batch has 8 units of A and 1 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 chapter