Math With Amar · Guided practice
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Grade 1 practice chapters
381–400 of 750 matching chapters · Page 20 of 38
Clear filtersGrade 1 · Chapter 381
See ten and the extra part: counters already placed: 1; counters to bring: 9
A display at a classroom activity begins with 1 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 382
Count forward from a starting point: starting position: 2; size of each jump: 1; number of jumps: 1
A position marker at a classroom activity starts at 2 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 383
Align ends to compare lengths: first strip length: 4 units; second strip length: 19 units
A design for a classroom activity uses strips of lengths 4 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 384
Read three picture counts: category a count: 10; category b count: 12; category c count: 8
A survey display at a classroom activity records three category counts: 10 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 385
Remove a part and recount: starting objects: 15; objects taken away: 2
At a classroom activity, 15 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 386
Compare by making pairs: first group: 18; second group: 1
Two groups at a classroom activity hold 18 counters and 1 counter. 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 387
See ten and the extra part: counters already placed: 9; counters to bring: 4
A display at a classroom activity begins with 9 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 388
Align ends to compare lengths: first strip length: 11 units; second strip length: 11 units
A design for a classroom activity uses strips of lengths 11 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 chapterGrade 1 · Chapter 389
Read three picture counts: category a count: 2; category b count: 0; category c count: 4
A survey display at a classroom activity records three category counts: 2 counters, 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 390
Join two small groups: objects already here: 0; objects arriving: 3
At a classroom activity, a first group contains 0 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 391
Remove a part and recount: starting objects: 12; objects taken away: 9
At a classroom activity, 12 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 392
Compare by making pairs: first group: 17; second group: 14
Two groups at a classroom activity hold 17 counters and 14 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 393
See ten and the extra part: counters already placed: 3; counters to bring: 7
A display at a classroom activity begins with 3 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 394
Count forward from a starting point: starting position: 4; size of each jump: 1; number of jumps: 2
A position marker at a classroom activity starts at 4 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 395
Align ends to compare lengths: first strip length: 18 units; second strip length: 3 units
A design for a classroom activity uses strips of lengths 18 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 396
Read three picture counts: category a count: 7; category b count: 0; category c count: 12
A survey display at a classroom activity records three category counts: 7 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 397
Join two small groups: objects already here: 8; objects arriving: 9
At a classroom activity, a first group contains 8 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 398
Remove a part and recount: starting objects: 20; objects taken away: 4
At a classroom activity, 20 counters are available and 4 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 399
Compare by making pairs: first group: 16; second group: 6
Two groups at a classroom activity hold 16 counters and 6 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 400
See ten and the extra part: counters already placed: 0; counters to bring: 3
A display at a classroom activity begins with 0 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
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