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
621–640 of 750 matching chapters · Page 32 of 38
Clear filtersGrade 4 · Chapter 621
Test divisibility by making full groups: whole number to test: 86; candidate factor: 4
At a classroom activity, 86 counters are packed in groups of exactly 4. 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 622
Keep cents aligned when adding money: first amount: 680 cents; second amount: 430 cents
An illustrated budget for a classroom activity has costs of $6.80 and $4.30. 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 623
Combine metres with extra centimetres: whole metres: 9; extra centimetres: 53
A measurement for a classroom activity consists of 9 whole metres and 53 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 624
Multiply every expanded place-value part: three-digit amount: 494; equal copies: 7
At a classroom activity, 7 identical supply sets each contain 494 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 625
Test divisibility by making full groups: whole number to test: 66; candidate factor: 11
At a classroom activity, 66 counters are packed in groups of exactly 11. 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 626
Keep cents aligned when adding money: first amount: 155 cents; second amount: 240 cents
An illustrated budget for a classroom activity has costs of $1.55 and $2.40. 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 627
Combine metres with extra centimetres: whole metres: 8; extra centimetres: 15
A measurement for a classroom activity consists of 8 whole metres and 15 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 628
Multiply every expanded place-value part: three-digit amount: 445; equal copies: 4
At a classroom activity, 4 identical supply sets each contain 445 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 629
Test divisibility by making full groups: whole number to test: 46; candidate factor: 7
At a classroom activity, 46 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 630
Keep cents aligned when adding money: first amount: 535 cents; second amount: 45 cents
An illustrated budget for a classroom activity has costs of $5.35 and $0.45. 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 631
Combine metres with extra centimetres: whole metres: 7; extra centimetres: 77
A measurement for a classroom activity consists of 7 whole metres and 77 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 632
Multiply every expanded place-value part: three-digit amount: 396; equal copies: 9
At a classroom activity, 9 identical supply sets each contain 396 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 633
Test divisibility by making full groups: whole number to test: 26; candidate factor: 3
At a classroom activity, 26 counters are packed in groups of exactly 3. 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 634
Keep cents aligned when adding money: first amount: 10 cents; second amount: 360 cents
An illustrated budget for a classroom activity has costs of $0.10 and $3.60. 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 635
Combine metres with extra centimetres: whole metres: 6; extra centimetres: 39
A measurement for a classroom activity consists of 6 whole metres and 39 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 636
Multiply every expanded place-value part: three-digit amount: 347; equal copies: 6
At a classroom activity, 6 identical supply sets each contain 347 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 637
Keep cents aligned when adding money: first amount: 390 cents; second amount: 165 cents
An illustrated budget for a classroom activity has costs of $3.90 and $1.65. Find the original combined cost in cents and dollars, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 638
Combine metres with extra centimetres: whole metres: 5; extra centimetres: 1
A measurement for a classroom activity consists of 5 whole metres and 1 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 639
Multiply every expanded place-value part: three-digit amount: 298; equal copies: 3
At a classroom activity, 3 identical supply sets each contain 298 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 640
Test divisibility by making full groups: whole number to test: 65; candidate factor: 12
At a classroom activity, 65 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 chapter