Math With Amar · Guided practice
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Grade 3 practice chapters
241–260 of 750 matching chapters · Page 13 of 38
Clear filtersGrade 3 · Chapter 241
Separate covering from boundary distance: width: 2; height: 13
A rectangular plan for a classroom activity measures 2 units across and 13 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 242
Combine hundreds and regroup the total: first three-digit amount: 783; second amount: 44
At a classroom activity, a first group contains 783 counters and another group brings 44 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 243
Choose the nearer hundred: original count: 926; rounding place: 100
A report for a classroom activity contains a count of 926 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 244
Cross an hour boundary with minutes: starting whole hour: 6; duration: 150 minutes
An activity at a classroom activity starts at 6:00 and runs for 150 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 245
Read totals and differences from bars: category a: 22; category b: 50; category c: 10
A survey display at a classroom activity records three category counts: 22 counters, 50 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 3 · Chapter 246
Multiply complete equal groups: rows: 8; objects in each row: 7
A rectangular arrangement for a classroom activity has 8 rows with 7 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 247
Count groups of a chosen size: objects available: 18; objects required in each group: 4
At a classroom activity, 18 counters are packed in groups of exactly 4. 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 248
Count equal fractional pieces: selected pieces: 7; equal pieces in each whole: 7
A supply strip for a classroom activity is cut into 7 equal pieces per whole, and 7 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 249
Build area with equal square units: rows of unit squares: 10; squares in each row: 6
A rectangular arrangement for a classroom activity has 10 rows with 6 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 250
Combine hundreds and regroup the total: first three-digit amount: 687; second amount: 156
At a classroom activity, a first group contains 687 counters and another group brings 156 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 251
Choose the nearer hundred: original count: 243; rounding place: 100
A report for a classroom activity contains a count of 243 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 252
Cross an hour boundary with minutes: starting whole hour: 11; duration: 80 minutes
An activity at a classroom activity starts at 11:00 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 253
Read totals and differences from bars: category a: 3; category b: 32; category c: 48
A survey display at a classroom activity records three category counts: 3 counters, 32 counters, and 48 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 254
Multiply complete equal groups: rows: 9; objects in each row: 3
A rectangular arrangement for a classroom activity has 9 rows with 3 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 255
Count groups of a chosen size: objects available: 75; objects required in each group: 9
At a classroom activity, 75 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 256
Count equal fractional pieces: selected pieces: 5; equal pieces in each whole: 3
A supply strip for a classroom activity is cut into 3 equal pieces per whole, and 5 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 257
Build area with equal square units: rows of unit squares: 7; squares in each row: 2
A rectangular arrangement for a classroom activity has 7 rows with 2 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 258
Combine hundreds and regroup the total: first three-digit amount: 591; second amount: 87
At a classroom activity, a first group contains 591 counters and another group brings 87 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 259
Choose the nearer hundred: original count: 677; rounding place: 100
A report for a classroom activity contains a count of 677 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 260
Cross an hour boundary with minutes: starting whole hour: 4; duration: 15 minutes
An activity at a classroom activity starts at 4:00 and runs for 15 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.
Question · Worked solution · Animated example
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