Math With Amar · Guided practice
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Grade 3 practice chapters
141–160 of 750 matching chapters · Page 8 of 38
Clear filtersGrade 3 · Chapter 141
Combine hundreds and regroup the total: first three-digit amount: 629; second amount: 38
At a classroom activity, a first group contains 629 counters and another group brings 38 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 142
Choose the nearer hundred: original count: 805; rounding place: 100
A report for a classroom activity contains a count of 805 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 143
Cross an hour boundary with minutes: starting whole hour: 1; duration: 135 minutes
An activity at a classroom activity starts at 1:00 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 144
Read totals and differences from bars: category a: 25; category b: 44; category c: 8
A survey display at a classroom activity records three category counts: 25 counters, 44 counters, and 8 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 145
Count groups of a chosen size: objects available: 20; objects required in each group: 7
At a classroom activity, 20 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 146
Count equal fractional pieces: selected pieces: 9; equal pieces in each whole: 10
A supply strip for a classroom activity is cut into 10 equal pieces per whole, and 9 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 147
Build area with equal square units: rows of unit squares: 9; squares in each row: 2
A rectangular arrangement for a classroom activity has 9 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 148
Separate covering from boundary distance: width: 14; height: 6
A rectangular plan for a classroom activity measures 14 units across and 6 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 149
Combine hundreds and regroup the total: first three-digit amount: 533; second amount: 150
At a classroom activity, a first group contains 533 counters and another group brings 150 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 150
Choose the nearer hundred: original count: 122; rounding place: 100
A report for a classroom activity contains a count of 122 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 151
Cross an hour boundary with minutes: starting whole hour: 6; duration: 65 minutes
An activity at a classroom activity starts at 6:00 and runs for 65 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 152
Read totals and differences from bars: category a: 6; category b: 26; category c: 46
A survey display at a classroom activity records three category counts: 6 counters, 26 counters, and 46 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 153
Count groups of a chosen size: objects available: 77; objects required in each group: 3
At a classroom activity, 77 counters are packed in groups of exactly 3. 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 154
Count equal fractional pieces: selected pieces: 7; equal pieces in each whole: 6
A supply strip for a classroom activity is cut into 6 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 155
Build area with equal square units: rows of unit squares: 6; squares in each row: 10
A rectangular arrangement for a classroom activity has 6 rows with 10 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 156
Combine hundreds and regroup the total: first three-digit amount: 437; second amount: 81
At a classroom activity, a first group contains 437 counters and another group brings 81 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 157
Choose the nearer hundred: original count: 339; rounding place: 10
A report for a classroom activity contains a count of 339 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 158
Cross an hour boundary with minutes: starting whole hour: 11; duration: 175 minutes
An activity at a classroom activity starts at 11:00 and runs for 175 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 159
Read totals and differences from bars: category a: 48; category b: 7; category c: 23
A survey display at a classroom activity records three category counts: 48 counters, 7 counters, and 23 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 160
Multiply complete equal groups: rows: 7; objects in each row: 10
A rectangular arrangement for a classroom activity has 7 rows with 10 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
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