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
561–580 of 750 matching chapters · Page 29 of 38
Clear filtersGrade 4 · Chapter 561
Keep cents aligned when adding money: first amount: 30 cents; second amount: 490 cents
An illustrated budget for a classroom activity has costs of $0.30 and $4.90. 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 562
Combine metres with extra centimetres: whole metres: 6; extra centimetres: 1
A measurement for a classroom activity consists of 6 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 563
Check area against two side lengths: rectangle rows: 5; squares across: 1
A rectangular arrangement for a classroom activity has 5 rows with 1 unit square in each row. Find the area of the original rectangle in square units, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 564
Multiply every expanded place-value part: three-digit amount: 329; equal copies: 5
At a classroom activity, 5 identical supply sets each contain 329 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 565
Test divisibility by making full groups: whole number to test: 89; candidate factor: 12
At a classroom activity, 89 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 566
Keep cents aligned when adding money: first amount: 410 cents; second amount: 295 cents
An illustrated budget for a classroom activity has costs of $4.10 and $2.95. 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 567
Combine metres with extra centimetres: whole metres: 5; extra centimetres: 63
A measurement for a classroom activity consists of 5 whole metres and 63 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 568
Check area against two side lengths: rectangle rows: 2; squares across: 9
A rectangular arrangement for a classroom activity has 2 rows with 9 unit squares in each row. Find the area of the original rectangle in square units, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 4 · Chapter 569
Multiply every expanded place-value part: three-digit amount: 280; equal copies: 2
At a classroom activity, 2 identical supply sets each contain 280 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 570
Test divisibility by making full groups: whole number to test: 69; candidate factor: 8
At a classroom activity, 69 counters are packed in groups of exactly 8. 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 571
Keep cents aligned when adding money: first amount: 790 cents; second amount: 100 cents
An illustrated budget for a classroom activity has costs of $7.90 and $1.00. 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 572
Combine metres with extra centimetres: whole metres: 4; extra centimetres: 25
A measurement for a classroom activity consists of 4 whole metres and 25 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 573
Multiply every expanded place-value part: three-digit amount: 231; equal copies: 7
At a classroom activity, 7 identical supply sets each contain 231 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 574
Test divisibility by making full groups: whole number to test: 49; candidate factor: 4
At a classroom activity, 49 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 575
Keep cents aligned when adding money: first amount: 265 cents; second amount: 415 cents
An illustrated budget for a classroom activity has costs of $2.65 and $4.15. 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 576
Combine metres with extra centimetres: whole metres: 3; extra centimetres: 87
A measurement for a classroom activity consists of 3 whole metres and 87 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 577
Multiply every expanded place-value part: three-digit amount: 182; equal copies: 4
At a classroom activity, 4 identical supply sets each contain 182 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 578
Test divisibility by making full groups: whole number to test: 29; candidate factor: 11
At a classroom activity, 29 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 579
Keep cents aligned when adding money: first amount: 645 cents; second amount: 220 cents
An illustrated budget for a classroom activity has costs of $6.45 and $2.20. 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 580
Combine metres with extra centimetres: whole metres: 2; extra centimetres: 49
A measurement for a classroom activity consists of 2 whole metres and 49 extra centimetres. Find the full measurement in centimetres, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapter