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Grade 3 practice chapters

1. Grade 3 · Chapter 261

   Read totals and differences from bars: category a: 45; category b: 13; category c: 25

   A survey display at a classroom activity records three category counts: 45 counters, 13 counters, and 25 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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2. Grade 3 · Chapter 262

   Multiply complete equal groups: rows: 10; objects in each row: 9

   A rectangular arrangement for a classroom activity has 10 rows with 9 counters in each row. Find the number of objects in the original array, explain the calculation, and check a related question.

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3. Grade 3 · Chapter 263

   Count groups of a chosen size: objects available: 32; objects required in each group: 6

   At a classroom activity, 32 counters are packed in groups of exactly 6. Find the number of complete groups and the remainder, explain the calculation, and check a related question.

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4. Grade 3 · Chapter 264

   Count equal fractional pieces: selected pieces: 3; equal pieces in each whole: 10

   A supply strip for a classroom activity is cut into 10 equal pieces per whole, and 3 pieces are selected. Find the original selected amount as an exact fraction, explain the calculation, and check a related question.

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5. Grade 3 · Chapter 265

   Build area with equal square units: rows of unit squares: 4; squares in each row: 10

   A rectangular arrangement for a classroom activity has 4 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.

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6. Grade 3 · Chapter 266

   Separate covering from boundary distance: width: 14; height: 10

   A rectangular plan for a classroom activity measures 14 units across and 10 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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7. Grade 3 · Chapter 267

   Combine hundreds and regroup the total: first three-digit amount: 495; second amount: 18

   At a classroom activity, a first group contains 495 counters and another group brings 18 counters. Find the total after both groups join, explain the calculation, and check a related question.

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8. Grade 3 · Chapter 268

   Choose the nearer hundred: original count: 894; rounding place: 10

   A report for a classroom activity contains a count of 894 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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9. Grade 3 · Chapter 269

   Cross an hour boundary with minutes: starting whole hour: 9; duration: 125 minutes

   An activity at a classroom activity starts at 9:00 and runs for 125 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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10. Grade 3 · Chapter 270

    Read totals and differences from bars: category a: 26; category b: 56; category c: 1

    A survey display at a classroom activity records three category counts: 26 counters, 56 counters, and 1 counter. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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11. Grade 3 · Chapter 271

    Count groups of a chosen size: objects available: 89; objects required in each group: 2

    At a classroom activity, 89 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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12. Grade 3 · Chapter 272

    Count equal fractional pieces: selected pieces: 1; equal pieces in each whole: 6

    A supply strip for a classroom activity is cut into 6 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.

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13. Grade 3 · Chapter 273

    Build area with equal square units: rows of unit squares: 1; squares in each row: 6

    A rectangular arrangement for a classroom activity has 1 row 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.

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14. Grade 3 · Chapter 274

    Combine hundreds and regroup the total: first three-digit amount: 399; second amount: 130

    At a classroom activity, a first group contains 399 counters and another group brings 130 counters. Find the total after both groups join, explain the calculation, and check a related question.

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15. Grade 3 · Chapter 275

    Choose the nearer hundred: original count: 211; rounding place: 10

    A report for a classroom activity contains a count of 211 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 276

    Cross an hour boundary with minutes: starting whole hour: 2; duration: 60 minutes

    An activity at a classroom activity starts at 2:00 and runs for 60 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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17. Grade 3 · Chapter 277

    Read totals and differences from bars: category a: 7; category b: 38; category c: 39

    A survey display at a classroom activity records three category counts: 7 counters, 38 counters, and 39 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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18. Grade 3 · Chapter 278

    Count groups of a chosen size: objects available: 46; objects required in each group: 8

    At a classroom activity, 46 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.

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19. Grade 3 · Chapter 279

    Count equal fractional pieces: selected pieces: 12; equal pieces in each whole: 12

    A supply strip for a classroom activity is cut into 12 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.

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20. Grade 3 · Chapter 280

    Build area with equal square units: rows of unit squares: 8; squares in each row: 1

    A rectangular arrangement for a classroom activity has 8 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.

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