Math With Amar · Guided 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
261–280 of 750 matching chapters · Page 14 of 38
Clear filtersGrade 7 · Chapter 261
Preserve a proportional relationship · practice 28
One batch has 8 units of A and 8 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 chapterGrade 7 · Chapter 262
Track the percent reference base · practice 28
An original amount of 155 changes by 45%. 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 263
Check a two-step equation · practice 28
Solve 7x + (-12) = 9, 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 264
Reverse order for negative division · practice 28
Solve -1x ≤ 4, including the boundary. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 265
Compare map and model scales · practice 28
Dilate a rectangle with sides 4 and 4 by length factor 2.25. 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 266
Connect circumference and circle area · practice 25
A circle has radius 7.5. Find the area and arc length of its 315° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 267
Account for every box face · practice 28
Find the surface area of a closed rectangular box with edge lengths 2.5, 7, and 8. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 268
Test a summary against all readings · practice 28
Find the mean, median, and range of the five values [7, 8, 10, 15, 17]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 269
Build a two-stage outcome table · practice 20
Two independent selections each have six equally likely outcomes. The first has 1 favorable outcomes and the second has 3. 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 270
Combine rational changes · practice 29
Start at 0 and apply a signed change of -3.5. 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 271
Preserve a proportional relationship · practice 29
One batch has 6 units of A and 7 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 272
Track the percent reference base · practice 29
An original amount of 180 changes by -15%. 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 273
Check a two-step equation · practice 29
Solve 6x + (-7) = -3, 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 274
Reverse order for negative division · practice 29
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 275
Compare map and model scales · practice 29
Dilate a rectangle with sides 5 and 6 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 276
Connect circumference and circle area · practice 26
A circle has radius 4. Find the area and arc length of its 60° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 277
Account for every box face · practice 29
Find the surface area of a closed rectangular box with edge lengths 4, 5.5, and 7. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 278
Test a summary against all readings · practice 29
Find the mean, median, and range of the five values [2, 4, 15, 17, 19]. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 7 · Chapter 279
Build a two-stage outcome table · practice 21
Two independent selections each have six equally likely outcomes. The first has 6 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 280
Combine rational changes · practice 30
Start at 6.5 and apply a signed change of 9. Where do you finish? Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapter