Math With Amar · Guided practice
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Grade 1 practice chapters
621–640 of 750 matching chapters · Page 32 of 38
Clear filtersGrade 1 · Chapter 621
Remove a part and recount: starting objects: 13; objects taken away: 3
At a classroom activity, 13 counters are available and 3 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 622
Compare by making pairs: first group: 20; second group: 15
Two groups at a classroom activity hold 20 counters and 15 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 623
See ten and the extra part: counters already placed: 7; counters to bring: 5
A display at a classroom activity begins with 7 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 624
Count forward from a starting point: starting position: 6; size of each jump: 2; number of jumps: 3
A position marker at a classroom activity starts at 6 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 625
Align ends to compare lengths: first strip length: 3 units; second strip length: 16 units
A design for a classroom activity uses strips of lengths 3 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 626
Read three picture counts: category a count: 0; category b count: 1; category c count: 7
A survey display at a classroom activity records three category counts: 0 counters, 1 counter, 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 627
Join two small groups: objects already here: 1; objects arriving: 8
At a classroom activity, a first group contains 1 counter and another group brings 8 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 628
Remove a part and recount: starting objects: 10; objects taken away: 10
At a classroom activity, 10 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 629
Compare by making pairs: first group: 19; second group: 7
Two groups at a classroom activity hold 19 counters and 7 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 630
See ten and the extra part: counters already placed: 4; counters to bring: 1
A display at a classroom activity begins with 4 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 631
Count forward from a starting point: starting position: 7; size of each jump: 2; number of jumps: 1
A position marker at a classroom activity starts at 7 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 632
Read three picture counts: category a count: 5; category b count: 1; category c count: 2
A survey display at a classroom activity records three category counts: 5 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 633
Join two small groups: objects already here: 9; objects arriving: 3
At a classroom activity, a first group contains 9 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 634
Remove a part and recount: starting objects: 18; objects taken away: 5
At a classroom activity, 18 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 635
Compare by making pairs: first group: 18; second group: 20
Two groups at a classroom activity hold 18 counters and 20 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 636
See ten and the extra part: counters already placed: 1; counters to bring: 8
A display at a classroom activity begins with 1 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 637
Count forward from a starting point: starting position: 8; size of each jump: 2; number of jumps: 4
A position marker at a classroom activity starts at 8 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 638
Align ends to compare lengths: first strip length: 17 units; second strip length: 20 units
A design for a classroom activity uses strips of lengths 17 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 639
Read three picture counts: category a count: 10; category b count: 1; category c count: 10
A survey display at a classroom activity records three category counts: 10 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 640
Join two small groups: objects already here: 6; objects arriving: 10
At a classroom activity, a first group contains 6 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
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