Math With Amar · Guided practice
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541–560 of 10,000 matching chapters · Page 28 of 500
Clear filtersGrade 1 · Chapter 541
Compare by making pairs: first group: 12; second group: 15
Two groups at a classroom activity hold 12 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 542
See ten and the extra part: counters already placed: 5; counters to bring: 10
A display at a classroom activity begins with 5 counters and has 10 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 543
Count forward from a starting point: starting position: 5; size of each jump: 1; number of jumps: 2
A position marker at a classroom activity starts at 5 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 544
Align ends to compare lengths: first strip length: 19 units; second strip length: 7 units
A design for a classroom activity uses strips of lengths 19 and 7 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 545
Read three picture counts: category a count: 5; category b count: 9; category c count: 1
A survey display at a classroom activity records three category counts: 5 counters, 9 counters, and 1 counter. 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 546
Join two small groups: objects already here: 10; objects arriving: 1
At a classroom activity, a first group contains 10 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 547
Remove a part and recount: starting objects: 19; objects taken away: 3
At a classroom activity, 19 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 548
Compare by making pairs: first group: 11; second group: 7
Two groups at a classroom activity hold 11 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 549
See ten and the extra part: counters already placed: 2; counters to bring: 6
A display at a classroom activity begins with 2 counters and has 6 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 550
Count forward from a starting point: starting position: 6; size of each jump: 1; number of jumps: 5
A position marker at a classroom activity starts at 6 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 551
Align ends to compare lengths: first strip length: 6 units; second strip length: 20 units
A design for a classroom activity uses strips of lengths 6 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 552
Read three picture counts: category a count: 10; category b count: 9; category c count: 9
A survey display at a classroom activity records three category counts: 10 counters, 9 counters, and 9 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 553
Join two small groups: objects already here: 7; objects arriving: 8
At a classroom activity, a first group contains 7 counters 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 554
Remove a part and recount: starting objects: 16; objects taken away: 10
At a classroom activity, 16 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 555
Compare by making pairs: first group: 10; second group: 20
Two groups at a classroom activity hold 10 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 556
See ten and the extra part: counters already placed: 10; counters to bring: 1
A display at a classroom activity begins with 10 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 557
Align ends to compare lengths: first strip length: 13 units; second strip length: 12 units
A design for a classroom activity uses strips of lengths 13 and 12 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 558
Read three picture counts: category a count: 2; category b count: 10; category c count: 4
A survey display at a classroom activity records three category counts: 2 counters, 10 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 559
Join two small groups: objects already here: 4; objects arriving: 4
At a classroom activity, a first group contains 4 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 560
Remove a part and recount: starting objects: 13; objects taken away: 6
At a classroom activity, 13 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
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