Math With Amar · Guided practice
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Grade 3 practice chapters
301–320 of 750 matching chapters · Page 16 of 38
Clear filtersGrade 3 · Chapter 301
Count equal fractional pieces: selected pieces: 6; equal pieces in each whole: 11
A supply strip for a classroom activity is cut into 11 equal pieces per whole, and 6 pieces are selected. Find the original selected amount as an exact fraction, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 302
Build area with equal square units: rows of unit squares: 9; squares in each row: 12
A rectangular arrangement for a classroom activity has 9 rows with 12 unit squares in each row. Find the area of the original rectangle in square units, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 303
Separate covering from boundary distance: width: 4; height: 12
A rectangular plan for a classroom activity measures 4 units across and 12 units high. Find the original perimeter and area, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 304
Combine hundreds and regroup the total: first three-digit amount: 716; second amount: 34
At a classroom activity, a first group contains 716 counters and another group brings 34 counters. Find the total after both groups join, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 305
Choose the nearer hundred: original count: 179; rounding place: 100
A report for a classroom activity contains a count of 179 and asks for rounding to the nearest 100. Find the rounded report using the stated place and upward midpoint rule, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 306
Cross an hour boundary with minutes: starting whole hour: 10; duration: 145 minutes
An activity at a classroom activity starts at 10:00 and runs for 145 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 307
Read totals and differences from bars: category a: 53; category b: 25; category c: 7
A survey display at a classroom activity records three category counts: 53 counters, 25 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 3 · Chapter 308
Count groups of a chosen size: objects available: 31; objects required in each group: 9
At a classroom activity, 31 counters are packed in groups of exactly 9. Find the number of complete groups and the remainder, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 309
Count equal fractional pieces: selected pieces: 4; equal pieces in each whole: 7
A supply strip for a classroom activity is cut into 7 equal pieces per whole, and 4 pieces are selected. Find the original selected amount as an exact fraction, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 310
Combine hundreds and regroup the total: first three-digit amount: 620; second amount: 146
At a classroom activity, a first group contains 620 counters and another group brings 146 counters. Find the total after both groups join, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 311
Choose the nearer hundred: original count: 396; rounding place: 10
A report for a classroom activity contains a count of 396 and asks for rounding to the nearest 10. Find the rounded report using the stated place and upward midpoint rule, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 312
Cross an hour boundary with minutes: starting whole hour: 3; duration: 80 minutes
An activity at a classroom activity starts at 3:00 and runs for 80 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 313
Read totals and differences from bars: category a: 34; category b: 7; category c: 45
A survey display at a classroom activity records three category counts: 34 counters, 7 counters, and 45 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 3 · Chapter 314
Multiply complete equal groups: rows: 7; objects in each row: 2
A rectangular arrangement for a classroom activity has 7 rows with 2 counters in each row. Find the number of objects in the original array, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 315
Count groups of a chosen size: objects available: 88; objects required in each group: 5
At a classroom activity, 88 counters are packed in groups of exactly 5. Find the number of complete groups and the remainder, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 316
Build area with equal square units: rows of unit squares: 3; squares in each row: 4
A rectangular arrangement for a classroom activity has 3 rows with 4 unit squares in each row. Find the area of the original rectangle in square units, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 317
Separate covering from boundary distance: width: 12; height: 15
A rectangular plan for a classroom activity measures 12 units across and 15 units high. Find the original perimeter and area, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 318
Combine hundreds and regroup the total: first three-digit amount: 524; second amount: 77
At a classroom activity, a first group contains 524 counters and another group brings 77 counters. Find the total after both groups join, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 319
Choose the nearer hundred: original count: 613; rounding place: 100
A report for a classroom activity contains a count of 613 and asks for rounding to the nearest 100. Find the rounded report using the stated place and upward midpoint rule, explain the calculation, and check a related question.
Question · Worked solution · Animated example
Open practice chapterGrade 3 · Chapter 320
Read totals and differences from bars: category a: 15; category b: 50; category c: 21
A survey display at a classroom activity records three category counts: 15 counters, 50 counters, and 21 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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