Math With Amar · Guided practice
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401–420 of 10,000 matching chapters · Page 21 of 500
Clear filtersGrade 1 · Chapter 401
Count forward from a starting point: starting position: 5; size of each jump: 1; number of jumps: 5
A position marker at a classroom activity starts at 5 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 402
Align ends to compare lengths: first strip length: 5 units; second strip length: 16 units
A design for a classroom activity uses strips of lengths 5 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 403
Read three picture counts: category a count: 12; category b count: 0; category c count: 7
A survey display at a classroom activity records three category counts: 12 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 chapterGrade 1 · Chapter 404
Remove a part and recount: starting objects: 14; objects taken away: 7
At a classroom activity, 14 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 405
Compare by making pairs: first group: 15; second group: 19
Two groups at a classroom activity hold 15 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 406
See ten and the extra part: counters already placed: 8; counters to bring: 9
A display at a classroom activity begins with 8 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 407
Count forward from a starting point: starting position: 6; size of each jump: 1; number of jumps: 3
A position marker at a classroom activity starts at 6 and makes 3 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 408
Align ends to compare lengths: first strip length: 12 units; second strip length: 8 units
A design for a classroom activity uses strips of lengths 12 and 8 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 409
Read three picture counts: category a count: 4; category b count: 1; category c count: 2
A survey display at a classroom activity records three category counts: 4 counters, 1 counter, 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 410
Join two small groups: objects already here: 2; objects arriving: 1
At a classroom activity, a first group contains 2 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 411
Compare by making pairs: first group: 14; second group: 11
Two groups at a classroom activity hold 14 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 412
See ten and the extra part: counters already placed: 5; counters to bring: 5
A display at a classroom activity begins with 5 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 413
Count forward from a starting point: starting position: 7; size of each jump: 1; number of jumps: 1
A position marker at a classroom activity starts at 7 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 414
Align ends to compare lengths: first strip length: 19 units; second strip length: 20 units
A design for a classroom activity uses strips of lengths 19 and 20 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 415
Read three picture counts: category a count: 9; category b count: 1; category c count: 10
A survey display at a classroom activity records three category counts: 9 counters, 1 counter, and 10 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 416
Join two small groups: objects already here: 10; objects arriving: 7
At a classroom activity, a first group contains 10 counters 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 417
Remove a part and recount: starting objects: 19; objects taken away: 9
At a classroom activity, 19 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 418
Compare by making pairs: first group: 13; second group: 3
Two groups at a classroom activity hold 13 counters and 3 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 419
See ten and the extra part: counters already placed: 2; counters to bring: 1
A display at a classroom activity begins with 2 counters and has 1 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 420
Align ends to compare lengths: first strip length: 6 units; second strip length: 13 units
A design for a classroom activity uses strips of lengths 6 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
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