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
141–160 of 10,000 matching chapters · Page 8 of 500
Clear filtersGrade 1 · Chapter 141
Share fairly between two or four: objects to share: 13; number of recipients: 2
At a classroom activity, 13 counters must be shared among 2 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 142
Read three picture counts: category a count: 1; category b count: 0; category c count: 4
A survey display at a classroom activity records three category counts: 1 counter, 0 counters, and 4 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 143
Count a collection once: objects in the collection: 17
At a classroom activity, 17 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 144
Join two small groups: objects already here: 9; objects arriving: 2
At a classroom activity, a first group contains 9 counters and another group brings 2 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 145
Remove a part and recount: starting objects: 13; objects taken away: 2
At a classroom activity, 13 counters are available and 2 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 146
Compare by making pairs: first group: 12; second group: 18
Two groups at a classroom activity hold 12 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 147
See ten and the extra part: counters already placed: 1; counters to bring: 7
A display at a classroom activity begins with 1 counters and has 7 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 148
Count forward from a starting point: starting position: 3; size of each jump: 2; number of jumps: 3
A position marker at a classroom activity starts at 3 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 149
Align ends to compare lengths: first strip length: 20 units; second strip length: 3 units
A design for a classroom activity uses strips of lengths 20 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 150
Share fairly between two or four: objects to share: 17; number of recipients: 4
At a classroom activity, 17 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 151
Read three picture counts: category a count: 6; category b count: 0; category c count: 12
A survey display at a classroom activity records three category counts: 6 counters, 0 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 152
Count a collection once: objects in the collection: 9
At a classroom activity, 9 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 153
Join two small groups: objects already here: 6; objects arriving: 9
At a classroom activity, a first group contains 6 counters and another group brings 9 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 154
Remove a part and recount: starting objects: 10; objects taken away: 9
At a classroom activity, 10 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 155
Compare by making pairs: first group: 11; second group: 10
Two groups at a classroom activity hold 11 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 156
A bundle of ten and loose ones: ten-bundles: 0; loose ones: 8
At a classroom activity, counters are represented by 0 ten-bundle and 8 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 157
Count forward from a starting point: starting position: 4; size of each jump: 2; number of jumps: 1
A position marker at a classroom activity starts at 4 and makes 1 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 158
Align ends to compare lengths: first strip length: 7 units; second strip length: 16 units
A design for a classroom activity uses strips of lengths 7 and 16 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 159
Share fairly between two or four: objects to share: 4; number of recipients: 2
At a classroom activity, 4 counters must be shared among 2 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 160
Read three picture counts: category a count: 11; category b count: 0; category c count: 7
A survey display at a classroom activity records three category counts: 11 counters, 0 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 chapter