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
Browse all practice chapters
81–100 of 10,000 matching chapters · Page 5 of 500
Clear filtersGrade 1 · Chapter 81
Share fairly between two or four: objects to share: 19; number of recipients: 4
At a classroom activity, 19 counters must be shared among 4 recipients. Find the equal whole-object share and the remainder, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 82
Read three picture counts: category a count: 5; category b count: 10; category c count: 12
A survey display at a classroom activity records three category counts: 5 counters, 10 counters, and 12 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 83
Join two small groups: objects already here: 0; objects arriving: 4
At a classroom activity, a first group contains 0 counters and another group brings 4 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 84
Remove a part and recount: starting objects: 12; objects taken away: 10
At a classroom activity, 12 counters are available and 10 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 85
Compare by making pairs: first group: 20; second group: 19
Two groups at a classroom activity hold 20 counters and 19 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 86
A bundle of ten and loose ones: ten-bundles: 0; loose ones: 6
At a classroom activity, counters are represented by 0 ten-bundle and 6 loose ones. Find the total represented by the tens and ones, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 87
Count forward from a starting point: starting position: 7; size of each jump: 1; number of jumps: 2
A position marker at a classroom activity starts at 7 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 88
Align ends to compare lengths: first strip length: 11 units; second strip length: 17 units
A design for a classroom activity uses strips of lengths 11 and 17 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 89
Read three picture counts: category a count: 10; category b count: 10; category c count: 7
A survey display at a classroom activity records three category counts: 10 counters, 10 counters, and 7 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 90
Count a collection once: objects in the collection: 2
At a classroom activity, 2 counters are arranged with up to 3 in each display row. Find the original count, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 91
Join two small groups: objects already here: 8; objects arriving: 10
At a classroom activity, a first group contains 8 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 92
Remove a part and recount: starting objects: 20; objects taken away: 5
At a classroom activity, 20 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 93
Compare by making pairs: first group: 19; second group: 11
Two groups at a classroom activity hold 19 counters and 11 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 94
See ten and the extra part: counters already placed: 0; counters to bring: 4
A display at a classroom activity begins with 0 counters and has 4 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 95
Count forward from a starting point: starting position: 8; size of each jump: 1; number of jumps: 5
A position marker at a classroom activity starts at 8 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 96
Align ends to compare lengths: first strip length: 18 units; second strip length: 9 units
A design for a classroom activity uses strips of lengths 18 and 9 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 97
Share fairly between two or four: objects to share: 10; number of recipients: 4
At a classroom activity, 10 counters must be shared among 4 recipients. Find the equal whole-object share and the remainder, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 98
Read three picture counts: category a count: 2; category b count: 11; category c count: 2
A survey display at a classroom activity records three category counts: 2 counters, 11 counters, and 2 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 99
Count a collection once: objects in the collection: 15
At a classroom activity, 15 counters are arranged with up to 3 in each display row. Find the original count, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 1 · Chapter 100
Join two small groups: objects already here: 5; objects arriving: 6
At a classroom activity, a first group contains 5 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 chapter