Math With Amar · Guided practice
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261–280 of 10,000 matching chapters · Page 14 of 500
Clear filtersGrade 1 · Chapter 261
Compare by making pairs: first group: 17; second group: 15
Two groups at a classroom activity hold 17 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 262
See ten and the extra part: counters already placed: 0; counters to bring: 9
A display at a classroom activity begins with 0 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 263
Count forward from a starting point: starting position: 7; size of each jump: 1; number of jumps: 4
A position marker at a classroom activity starts at 7 and makes 4 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 264
Align ends to compare lengths: first strip length: 5 units; second strip length: 9 units
A design for a classroom activity uses strips of lengths 5 and 9 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 265
Read three picture counts: category a count: 3; category b count: 6; category c count: 2
A survey display at a classroom activity records three category counts: 3 counters, 6 counters, 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 266
Join two small groups: objects already here: 2; objects arriving: 7
At a classroom activity, a first group contains 2 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 267
Remove a part and recount: starting objects: 17; objects taken away: 6
At a classroom activity, 17 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 268
Compare by making pairs: first group: 16; second group: 7
Two groups at a classroom activity hold 16 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 269
See ten and the extra part: counters already placed: 8; counters to bring: 4
A display at a classroom activity begins with 8 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 270
Count forward from a starting point: starting position: 8; size of each jump: 1; number of jumps: 2
A position marker at a classroom activity starts at 8 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 271
Align ends to compare lengths: first strip length: 12 units; second strip length: 1 units
A design for a classroom activity uses strips of lengths 12 and 1 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 272
Share fairly between two or four: objects to share: 5; number of recipients: 4
At a classroom activity, 5 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 273
Read three picture counts: category a count: 8; category b count: 6; category c count: 10
A survey display at a classroom activity records three category counts: 8 counters, 6 counters, 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 274
Join two small groups: objects already here: 10; objects arriving: 2
At a classroom activity, a first group contains 10 counters and another group brings 2 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 275
Remove a part and recount: starting objects: 14; objects taken away: 2
At a classroom activity, 14 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 276
Compare by making pairs: first group: 15; second group: 20
Two groups at a classroom activity hold 15 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 277
See ten and the extra part: counters already placed: 2; counters to bring: 7
A display at a classroom activity begins with 2 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 278
Align ends to compare lengths: first strip length: 19 units; second strip length: 13 units
A design for a classroom activity uses strips of lengths 19 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
Open practice chapterGrade 1 · Chapter 279
Share fairly between two or four: objects to share: 9; number of recipients: 2
At a classroom activity, 9 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 280
Read three picture counts: category a count: 0; category b count: 7; category c count: 5
A survey display at a classroom activity records three category counts: 0 counters, 7 counters, and 5 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
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