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 1 practice chapters
521–540 of 750 matching chapters · Page 27 of 38
Clear filtersGrade 1 · Chapter 521
Remove a part and recount: starting objects: 20; objects taken away: 9
At a classroom activity, 20 counters are available and 9 are taken away. Find the number left after the removal, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 522
Compare by making pairs: first group: 15; second group: 18
Two groups at a classroom activity hold 15 counters and 18 counters. Find the larger group and the difference between the two counts, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 523
See ten and the extra part: counters already placed: 3; counters to bring: 1
A display at a classroom activity begins with 3 counters and has 1 more ready to join. Find the total after the arriving counters join and the original missing part of ten, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 524
Align ends to compare lengths: first strip length: 18 units; second strip length: 10 units
A design for a classroom activity uses strips of lengths 18 and 10 equal units. Find the longer strip and the difference between the lengths, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 525
Read three picture counts: category a count: 3; category b count: 8; category c count: 3
A survey display at a classroom activity records three category counts: 3 counters, 8 counters, and 3 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 526
Join two small groups: objects already here: 8; objects arriving: 3
At a classroom activity, a first group contains 8 counters and another group brings 3 counters. Find the total after both groups join, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 527
Remove a part and recount: starting objects: 17; objects taken away: 5
At a classroom activity, 17 counters are available and 5 are taken away. Find the number left after the removal, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 528
Compare by making pairs: first group: 14; second group: 10
Two groups at a classroom activity hold 14 counters and 10 counters. Find the larger group and the difference between the two counts, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 529
See ten and the extra part: counters already placed: 0; counters to bring: 8
A display at a classroom activity begins with 0 counters and has 8 more ready to join. Find the total after the arriving counters join and the original missing part of ten, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 530
Count forward from a starting point: starting position: 3; size of each jump: 1; number of jumps: 1
A position marker at a classroom activity starts at 3 and makes 1 forward jumps of 1 units each. Find the endpoint after the stated jumps, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 531
Align ends to compare lengths: first strip length: 5 units; second strip length: 3 units
A design for a classroom activity uses strips of lengths 5 and 3 equal units. Find the longer strip and the difference between the lengths, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 532
Read three picture counts: category a count: 8; category b count: 8; category c count: 11
A survey display at a classroom activity records three category counts: 8 counters, 8 counters, and 11 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 533
Join two small groups: objects already here: 5; objects arriving: 10
At a classroom activity, a first group contains 5 counters and another group brings 10 counters. Find the total after both groups join, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 534
Compare by making pairs: first group: 13; second group: 2
Two groups at a classroom activity hold 13 counters and 2 counters. Find the larger group and the difference between the two counts, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 535
See ten and the extra part: counters already placed: 8; counters to bring: 3
A display at a classroom activity begins with 8 counters and has 3 more ready to join. Find the total after the arriving counters join and the original missing part of ten, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 536
Count forward from a starting point: starting position: 4; size of each jump: 1; number of jumps: 4
A position marker at a classroom activity starts at 4 and makes 4 forward jumps of 1 units each. Find the endpoint after the stated jumps, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 537
Align ends to compare lengths: first strip length: 12 units; second strip length: 15 units
A design for a classroom activity uses strips of lengths 12 and 15 equal units. Find the longer strip and the difference between the lengths, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 538
Read three picture counts: category a count: 0; category b count: 9; category c count: 6
A survey display at a classroom activity records three category counts: 0 counters, 9 counters, and 6 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 539
Join two small groups: objects already here: 2; objects arriving: 6
At a classroom activity, a first group contains 2 counters and another group brings 6 counters. Find the total after both groups join, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 540
Remove a part and recount: starting objects: 11; objects taken away: 8
At a classroom activity, 11 counters are available and 8 are taken away. Find the number left after the removal, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapter