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Grade 3 practice chapters
121–140 of 750 matching chapters · Page 7 of 38
Clear filtersGrade 3 · Chapter 121
Combine hundreds and regroup the total: first three-digit amount: 216; second amount: 65
At a classroom activity, a first group contains 216 counters and another group brings 65 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 122
Choose the nearer hundred: original count: 154; rounding place: 10
A report for a classroom activity contains a count of 154 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 123
Cross an hour boundary with minutes: starting whole hour: 10; duration: 155 minutes
An activity at a classroom activity starts at 10:00 and runs for 155 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 124
Read totals and differences from bars: category a: 21; category b: 38; category c: 17
A survey display at a classroom activity records three category counts: 21 counters, 38 counters, and 17 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 125
Count groups of a chosen size: objects available: 49; objects required in each group: 8
At a classroom activity, 49 counters are packed in groups of exactly 8. 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 126
Build area with equal square units: rows of unit squares: 8; squares in each row: 3
A rectangular arrangement for a classroom activity has 8 rows with 3 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 127
Combine hundreds and regroup the total: first three-digit amount: 120; second amount: 177
At a classroom activity, a first group contains 120 counters and another group brings 177 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 128
Choose the nearer hundred: original count: 371; rounding place: 100
A report for a classroom activity contains a count of 371 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 129
Cross an hour boundary with minutes: starting whole hour: 3; duration: 90 minutes
An activity at a classroom activity starts at 3:00 and runs for 90 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 130
Read totals and differences from bars: category a: 2; category b: 20; category c: 55
A survey display at a classroom activity records three category counts: 2 counters, 20 counters, and 55 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 131
Count groups of a chosen size: objects available: 6; objects required in each group: 5
At a classroom activity, 6 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 132
Count equal fractional pieces: selected pieces: 2; equal pieces in each whole: 12
A supply strip for a classroom activity is cut into 12 equal pieces per whole, and 2 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 133
Build area with equal square units: rows of unit squares: 5; squares in each row: 11
A rectangular arrangement for a classroom activity has 5 rows with 11 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 134
Combine hundreds and regroup the total: first three-digit amount: 725; second amount: 107
At a classroom activity, a first group contains 725 counters and another group brings 107 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 135
Choose the nearer hundred: original count: 588; rounding place: 10
A report for a classroom activity contains a count of 588 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 136
Read totals and differences from bars: category a: 44; category b: 1; category c: 32
A survey display at a classroom activity records three category counts: 44 counters, 1 counter, and 32 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 137
Count groups of a chosen size: objects available: 63; objects required in each group: 10
At a classroom activity, 63 counters are packed in groups of exactly 10. 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 138
Count equal fractional pieces: selected pieces: 11; equal pieces in each whole: 3
A supply strip for a classroom activity is cut into 3 equal pieces per whole, and 11 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 139
Build area with equal square units: rows of unit squares: 2; squares in each row: 7
A rectangular arrangement for a classroom activity has 2 rows with 7 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 140
Separate covering from boundary distance: width: 10; height: 12
A rectangular plan for a classroom activity measures 10 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
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