Math With Amar · Guided practice
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Grade 3 practice chapters
81–100 of 750 matching chapters · Page 5 of 38
Clear filtersGrade 3 · Chapter 81
Combine hundreds and regroup the total: first three-digit amount: 696; second amount: 48
At a classroom activity, a first group contains 696 counters and another group brings 48 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 82
Choose the nearer hundred: original count: 869; rounding place: 100
A report for a classroom activity contains a count of 869 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 83
Cross an hour boundary with minutes: starting whole hour: 9; duration: 135 minutes
An activity at a classroom activity starts at 9:00 and runs for 135 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 84
Read totals and differences from bars: category a: 55; category b: 7; category c: 12
A survey display at a classroom activity records three category counts: 55 counters, 7 counters, and 12 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 85
Multiply complete equal groups: rows: 7; objects in each row: 9
A rectangular arrangement for a classroom activity has 7 rows with 9 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 86
Count groups of a chosen size: objects available: 64; objects required in each group: 7
At a classroom activity, 64 counters are packed in groups of exactly 7. 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 87
Count equal fractional pieces: selected pieces: 1; equal pieces in each whole: 4
A supply strip for a classroom activity is cut into 4 equal pieces per whole, and 1 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 88
Build area with equal square units: rows of unit squares: 3; squares in each row: 1
A rectangular arrangement for a classroom activity has 3 rows with 1 unit square 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 89
Combine hundreds and regroup the total: first three-digit amount: 600; second amount: 160
At a classroom activity, a first group contains 600 counters and another group brings 160 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 90
Choose the nearer hundred: original count: 186; rounding place: 100
A report for a classroom activity contains a count of 186 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 91
Cross an hour boundary with minutes: starting whole hour: 2; duration: 70 minutes
An activity at a classroom activity starts at 2:00 and runs for 70 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 92
Read totals and differences from bars: category a: 36; category b: 50; category c: 49
A survey display at a classroom activity records three category counts: 36 counters, 50 counters, and 49 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 93
Multiply complete equal groups: rows: 8; objects in each row: 5
A rectangular arrangement for a classroom activity has 8 rows with 5 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 94
Count groups of a chosen size: objects available: 21; objects required in each group: 4
At a classroom activity, 21 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 95
Count equal fractional pieces: selected pieces: 12; equal pieces in each whole: 10
A supply strip for a classroom activity is cut into 10 equal pieces per whole, and 12 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 96
Build area with equal square units: rows of unit squares: 10; squares in each row: 8
A rectangular arrangement for a classroom activity has 10 rows with 8 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 97
Separate covering from boundary distance: width: 1; height: 2
A rectangular plan for a classroom activity measures 1 units across and 2 units high. Find the original perimeter and area, explain the calculation, and check a related question.
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Open practice chapterGrade 3 · Chapter 98
Combine hundreds and regroup the total: first three-digit amount: 504; second amount: 91
At a classroom activity, a first group contains 504 counters and another group brings 91 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 99
Choose the nearer hundred: original count: 403; rounding place: 10
A report for a classroom activity contains a count of 403 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 100
Cross an hour boundary with minutes: starting whole hour: 7; duration: 180 minutes
An activity at a classroom activity starts at 7:00 and runs for 180 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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