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
501–520 of 750 matching chapters · Page 26 of 38
Clear filtersGrade 1 · Chapter 501
Compare by making pairs: first group: 19; second group: 8
Two groups at a classroom activity hold 19 counters and 8 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 502
See ten and the extra part: counters already placed: 1; counters to bring: 3
A display at a classroom activity begins with 1 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 503
Count forward from a starting point: starting position: 10; size of each jump: 2; number of jumps: 3
A position marker at a classroom activity starts at 10 and makes 3 forward jumps of 2 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 504
Align ends to compare lengths: first strip length: 17 units; second strip length: 13 units
A design for a classroom activity uses strips of lengths 17 and 13 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 505
Read three picture counts: category a count: 1; category b count: 7; category c count: 5
A survey display at a classroom activity records three category counts: 1 counter, 7 counters, and 5 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 506
Join two small groups: objects already here: 6; objects arriving: 5
At a classroom activity, a first group contains 6 counters and another group brings 5 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 507
Remove a part and recount: starting objects: 15; objects taken away: 7
At a classroom activity, 15 counters are available and 7 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 508
Compare by making pairs: first group: 17; second group: 13
Two groups at a classroom activity hold 17 counters and 13 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 509
See ten and the extra part: counters already placed: 9; counters to bring: 9
A display at a classroom activity begins with 9 counters and has 9 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 510
Count forward from a starting point: starting position: 0; size of each jump: 1; number of jumps: 2
A position marker at a classroom activity starts at 0 and makes 2 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 511
Align ends to compare lengths: first strip length: 4 units; second strip length: 6 units
A design for a classroom activity uses strips of lengths 4 and 6 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 512
Read three picture counts: category a count: 6; category b count: 7; category c count: 0
A survey display at a classroom activity records three category counts: 6 counters, 7 counters, and 0 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 513
Join two small groups: objects already here: 3; objects arriving: 1
At a classroom activity, a first group contains 3 counters and another group brings 1 counter. 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 514
Remove a part and recount: starting objects: 12; objects taken away: 3
At a classroom activity, 12 counters are available and 3 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 515
Compare by making pairs: first group: 16; second group: 5
Two groups at a classroom activity hold 16 counters and 5 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 516
See ten and the extra part: counters already placed: 6; counters to bring: 5
A display at a classroom activity begins with 6 counters and has 5 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 517
Count forward from a starting point: starting position: 1; size of each jump: 1; number of jumps: 5
A position marker at a classroom activity starts at 1 and makes 5 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 518
Align ends to compare lengths: first strip length: 11 units; second strip length: 18 units
A design for a classroom activity uses strips of lengths 11 and 18 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 519
Read three picture counts: category a count: 11; category b count: 7; category c count: 8
A survey display at a classroom activity records three category counts: 11 counters, 7 counters, and 8 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 520
Join two small groups: objects already here: 0; objects arriving: 8
At a classroom activity, a first group contains 0 counters and another group brings 8 counters. Find the total after both groups join, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapter