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
121–140 of 750 matching chapters · Page 7 of 38
Clear filtersGrade 1 · Chapter 121
Count forward from a starting point: starting position: 0; size of each jump: 2; number of jumps: 4
A position marker at a classroom activity starts at 0 and makes 4 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 122
Align ends to compare lengths: first strip length: 19 units; second strip length: 6 units
A design for a classroom activity uses strips of lengths 19 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 123
Share fairly between two or four: objects to share: 5; number of recipients: 2
At a classroom activity, 5 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 124
Read three picture counts: category a count: 4; category b count: 12; category c count: 0
A survey display at a classroom activity records three category counts: 4 counters, 12 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 125
Count a collection once: objects in the collection: 12
At a classroom activity, 12 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 126
Join two small groups: objects already here: 7; objects arriving: 4
At a classroom activity, a first group contains 7 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 127
Remove a part and recount: starting objects: 19; objects taken away: 10
At a classroom activity, 19 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 128
Compare by making pairs: first group: 14; second group: 13
Two groups at a classroom activity hold 14 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 129
See ten and the extra part: counters already placed: 10; counters to bring: 8
A display at a classroom activity begins with 10 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 130
Count forward from a starting point: starting position: 1; size of each jump: 2; number of jumps: 2
A position marker at a classroom activity starts at 1 and makes 2 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 131
Align ends to compare lengths: first strip length: 6 units; second strip length: 19 units
A design for a classroom activity uses strips of lengths 6 and 19 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 132
Share fairly between two or four: objects to share: 9; number of recipients: 4
At a classroom activity, 9 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 133
Read three picture counts: category a count: 9; category b count: 12; category c count: 8
A survey display at a classroom activity records three category counts: 9 counters, 12 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 134
Count a collection once: objects in the collection: 4
At a classroom activity, 4 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 135
Join two small groups: objects already here: 1; objects arriving: 7
At a classroom activity, a first group contains 1 counter and another group brings 7 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 136
Remove a part and recount: starting objects: 16; objects taken away: 6
At a classroom activity, 16 counters are available and 6 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 137
Compare by making pairs: first group: 13; second group: 5
Two groups at a classroom activity hold 13 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 138
A bundle of ten and loose ones: ten-bundles: 0; loose ones: 5
At a classroom activity, counters are represented by 0 ten-bundle and 5 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 139
Count forward from a starting point: starting position: 2; size of each jump: 2; number of jumps: 5
A position marker at a classroom activity starts at 2 and makes 5 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 140
Align ends to compare lengths: first strip length: 13 units; second strip length: 11 units
A design for a classroom activity uses strips of lengths 13 and 11 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 chapter