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 4 practice chapters
441–460 of 750 matching chapters · Page 23 of 38
Clear filtersGrade 4 · Chapter 441
Combine metres with extra centimetres: whole metres: 8; extra centimetres: 20
A measurement for a classroom activity consists of 8 whole metres and 20 extra centimetres. Find the full measurement in centimetres, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 442
Multiply every expanded place-value part: three-digit amount: 850; equal copies: 5
At a classroom activity, 5 identical supply sets each contain 850 counters. Find the number of objects in all the original sets, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 443
Test divisibility by making full groups: whole number to test: 75; candidate factor: 2
At a classroom activity, 75 counters are packed in groups of exactly 2. Find the number of complete groups and the remainder, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 444
Keep cents aligned when adding money: first amount: 250 cents; second amount: 335 cents
An illustrated budget for a classroom activity has costs of $2.50 and $3.35. Find the original combined cost in cents and dollars, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 445
Combine metres with extra centimetres: whole metres: 7; extra centimetres: 82
A measurement for a classroom activity consists of 7 whole metres and 82 extra centimetres. Find the full measurement in centimetres, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 446
Multiply every expanded place-value part: three-digit amount: 801; equal copies: 2
At a classroom activity, 2 identical supply sets each contain 801 counters. Find the number of objects in all the original sets, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 447
Test divisibility by making full groups: whole number to test: 55; candidate factor: 9
At a classroom activity, 55 counters are packed in groups of exactly 9. Find the number of complete groups and the remainder, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 448
Keep cents aligned when adding money: first amount: 630 cents; second amount: 140 cents
An illustrated budget for a classroom activity has costs of $6.30 and $1.40. Find the original combined cost in cents and dollars, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 449
Combine metres with extra centimetres: whole metres: 6; extra centimetres: 44
A measurement for a classroom activity consists of 6 whole metres and 44 extra centimetres. Find the full measurement in centimetres, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 450
Multiply every expanded place-value part: three-digit amount: 752; equal copies: 7
At a classroom activity, 7 identical supply sets each contain 752 counters. Find the number of objects in all the original sets, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 451
Test divisibility by making full groups: whole number to test: 35; candidate factor: 5
At a classroom activity, 35 counters are packed in groups of exactly 5. Find the number of complete groups and the remainder, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 452
Keep cents aligned when adding money: first amount: 105 cents; second amount: 455 cents
An illustrated budget for a classroom activity has costs of $1.05 and $4.55. Find the original combined cost in cents and dollars, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 453
Combine metres with extra centimetres: whole metres: 5; extra centimetres: 6
A measurement for a classroom activity consists of 5 whole metres and 6 extra centimetres. Find the full measurement in centimetres, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 454
Multiply every expanded place-value part: three-digit amount: 703; equal copies: 4
At a classroom activity, 4 identical supply sets each contain 703 counters. Find the number of objects in all the original sets, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 455
Test divisibility by making full groups: whole number to test: 15; candidate factor: 12
At a classroom activity, 15 counters are packed in groups of exactly 12. Find the number of complete groups and the remainder, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 456
Keep cents aligned when adding money: first amount: 485 cents; second amount: 260 cents
An illustrated budget for a classroom activity has costs of $4.85 and $2.60. Find the original combined cost in cents and dollars, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 457
Combine metres with extra centimetres: whole metres: 4; extra centimetres: 68
A measurement for a classroom activity consists of 4 whole metres and 68 extra centimetres. Find the full measurement in centimetres, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 458
Multiply every expanded place-value part: three-digit amount: 654; equal copies: 9
At a classroom activity, 9 identical supply sets each contain 654 counters. Find the number of objects in all the original sets, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 459
Test divisibility by making full groups: whole number to test: 94; candidate factor: 7
At a classroom activity, 94 counters are packed in groups of exactly 7. Find the number of complete groups and the remainder, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 460
Keep cents aligned when adding money: first amount: 865 cents; second amount: 65 cents
An illustrated budget for a classroom activity has costs of $8.65 and $0.65. Find the original combined cost in cents and dollars, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapter