Math With Amar · Guided practice
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221–240 of 10,000 matching chapters · Page 12 of 500
Clear filtersGrade 1 · Chapter 221
Read three picture counts: category a count: 12; category b count: 3; category c count: 6
A survey display at a classroom activity records three category counts: 12 counters, 3 counters, and 6 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 222
Join two small groups: objects already here: 1; objects arriving: 4
At a classroom activity, a first group contains 1 counter 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 223
Remove a part and recount: starting objects: 13; objects taken away: 10
At a classroom activity, 13 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 224
Compare by making pairs: first group: 2; second group: 1
Two groups at a classroom activity hold 2 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 225
See ten and the extra part: counters already placed: 4; counters to bring: 8
A display at a classroom activity begins with 4 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 226
Count forward from a starting point: starting position: 2; size of each jump: 1; number of jumps: 4
A position marker at a classroom activity starts at 2 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 227
Align ends to compare lengths: first strip length: 10 units; second strip length: 7 units
A design for a classroom activity uses strips of lengths 10 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 228
Share fairly between two or four: objects to share: 19; number of recipients: 2
At a classroom activity, 19 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 229
Read three picture counts: category a count: 4; category b count: 4; category c count: 1
A survey display at a classroom activity records three category counts: 4 counters, 4 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 230
Join two small groups: objects already here: 9; objects arriving: 10
At a classroom activity, a first group contains 9 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
Open practice chapterGrade 1 · Chapter 231
Remove a part and recount: starting objects: 10; objects taken away: 6
At a classroom activity, 10 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 232
Compare by making pairs: first group: 1; second group: 14
Two groups at a classroom activity hold 1 counter 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 233
See ten and the extra part: counters already placed: 1; counters to bring: 4
A display at a classroom activity begins with 1 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 234
Count forward from a starting point: starting position: 3; size of each jump: 1; number of jumps: 2
A position marker at a classroom activity starts at 3 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 235
Align ends to compare lengths: first strip length: 17 units; second strip length: 19 units
A design for a classroom activity uses strips of lengths 17 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 236
Read three picture counts: category a count: 9; category b count: 4; category c count: 9
A survey display at a classroom activity records three category counts: 9 counters, 4 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 237
Join two small groups: objects already here: 6; objects arriving: 6
At a classroom activity, a first group contains 6 counters and another group brings 6 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 238
Remove a part and recount: starting objects: 18; objects taken away: 1
At a classroom activity, 18 counters are available and 1 is 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 239
Compare by making pairs: first group: 20; second group: 18
Two groups at a classroom activity hold 20 counters and 18 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 240
See ten and the extra part: counters already placed: 9; counters to bring: 10
A display at a classroom activity begins with 9 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
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