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Grade 3 practice chapters

1. Grade 3 · Chapter 221

   Choose the nearer hundred: original count: 275; rounding place: 10

   A report for a classroom activity contains a count of 275 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.

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2. Grade 3 · Chapter 222

   Cross an hour boundary with minutes: starting whole hour: 3; duration: 175 minutes

   An activity at a classroom activity starts at 3:00 and runs for 175 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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3. Grade 3 · Chapter 223

   Read totals and differences from bars: category a: 18; category b: 44; category c: 19

   A survey display at a classroom activity records three category counts: 18 counters, 44 counters, and 19 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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4. Grade 3 · Chapter 224

   Count groups of a chosen size: objects available: 47; objects required in each group: 5

   At a classroom activity, 47 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.

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5. Grade 3 · Chapter 225

   Count equal fractional pieces: selected pieces: 2; equal pieces in each whole: 2

   A supply strip for a classroom activity is cut into 2 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.

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6. Grade 3 · Chapter 226

   Build area with equal square units: rows of unit squares: 9; squares in each row: 7

   A rectangular arrangement for a classroom activity has 9 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.

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7. Grade 3 · Chapter 227

   Combine hundreds and regroup the total: first three-digit amount: 274; second amount: 183

   At a classroom activity, a first group contains 274 counters and another group brings 183 counters. Find the total after both groups join, explain the calculation, and check a related question.

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8. Grade 3 · Chapter 228

   Choose the nearer hundred: original count: 492; rounding place: 100

   A report for a classroom activity contains a count of 492 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.

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9. Grade 3 · Chapter 229

   Read totals and differences from bars: category a: 60; category b: 25; category c: 57

   A survey display at a classroom activity records three category counts: 60 counters, 25 counters, and 57 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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10. Grade 3 · Chapter 230

    Count groups of a chosen size: objects available: 4; objects required in each group: 2

    At a classroom activity, 4 counters are packed in groups of exactly 2. Find the number of complete groups and the remainder, explain the calculation, and check a related question.

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11. Grade 3 · Chapter 231

    Count equal fractional pieces: selected pieces: 11; equal pieces in each whole: 4

    A supply strip for a classroom activity is cut into 4 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.

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12. Grade 3 · Chapter 232

    Build area with equal square units: rows of unit squares: 6; squares in each row: 3

    A rectangular arrangement for a classroom activity has 6 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.

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13. Grade 3 · Chapter 233

    Separate covering from boundary distance: width: 13; height: 3

    A rectangular plan for a classroom activity measures 13 units across and 3 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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14. Grade 3 · Chapter 234

    Combine hundreds and regroup the total: first three-digit amount: 178; second amount: 114

    At a classroom activity, a first group contains 178 counters and another group brings 114 counters. Find the total after both groups join, explain the calculation, and check a related question.

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15. Grade 3 · Chapter 235

    Choose the nearer hundred: original count: 709; rounding place: 10

    A report for a classroom activity contains a count of 709 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.

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16. Grade 3 · Chapter 236

    Read totals and differences from bars: category a: 41; category b: 7; category c: 34

    A survey display at a classroom activity records three category counts: 41 counters, 7 counters, and 34 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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17. Grade 3 · Chapter 237

    Multiply complete equal groups: rows: 7; objects in each row: 1

    A rectangular arrangement for a classroom activity has 7 rows with 1 counter in each row. Find the number of objects in the original array, explain the calculation, and check a related question.

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18. Grade 3 · Chapter 238

    Count groups of a chosen size: objects available: 61; objects required in each group: 7

    At a classroom activity, 61 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.

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19. Grade 3 · Chapter 239

    Count equal fractional pieces: selected pieces: 9; equal pieces in each whole: 11

    A supply strip for a classroom activity is cut into 11 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.

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20. Grade 3 · Chapter 240

    Build area with equal square units: rows of unit squares: 3; squares in each row: 11

    A rectangular arrangement for a classroom activity has 3 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.

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