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Grade 3 practice chapters

1. Grade 3 · Chapter 441

   Read totals and differences from bars: category a: 16; category b: 1; category c: 15

   A survey display at a classroom activity records three category counts: 16 counters, 1 counter, and 15 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 442

   Count groups of a chosen size: objects available: 71; objects required in each group: 3

   At a classroom activity, 71 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.

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3. Grade 3 · Chapter 443

   Count equal fractional pieces: selected pieces: 3; equal pieces in each whole: 12

   A supply strip for a classroom activity is cut into 12 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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4. Grade 3 · Chapter 444

   Build area with equal square units: rows of unit squares: 2; squares in each row: 3

   A rectangular arrangement for a classroom activity has 2 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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5. Grade 3 · Chapter 445

   Combine hundreds and regroup the total: first three-digit amount: 294; second amount: 169

   At a classroom activity, a first group contains 294 counters and another group brings 169 counters. Find the total after both groups join, explain the calculation, and check a related question.

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6. Grade 3 · Chapter 446

   Choose the nearer hundred: original count: 236; rounding place: 100

   A report for a classroom activity contains a count of 236 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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7. Grade 3 · Chapter 447

   Read totals and differences from bars: category a: 58; category b: 43; category c: 52

   A survey display at a classroom activity records three category counts: 58 counters, 43 counters, and 52 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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8. Grade 3 · Chapter 448

   Count groups of a chosen size: objects available: 28; objects required in each group: 9

   At a classroom activity, 28 counters are packed in groups of exactly 9. Find the number of complete groups and the remainder, explain the calculation, and check a related question.

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9. Grade 3 · Chapter 449

   Count equal fractional pieces: selected pieces: 1; equal pieces in each whole: 8

   A supply strip for a classroom activity is cut into 8 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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10. Grade 3 · Chapter 450

    Build area with equal square units: rows of unit squares: 9; squares in each row: 10

    A rectangular arrangement for a classroom activity has 9 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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11. Grade 3 · Chapter 451

    Combine hundreds and regroup the total: first three-digit amount: 198; second amount: 100

    At a classroom activity, a first group contains 198 counters and another group brings 100 counters. Find the total after both groups join, explain the calculation, and check a related question.

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12. Grade 3 · Chapter 452

    Choose the nearer hundred: original count: 453; rounding place: 10

    A report for a classroom activity contains a count of 453 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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13. Grade 3 · Chapter 453

    Cross an hour boundary with minutes: starting whole hour: 2; duration: 50 minutes

    An activity at a classroom activity starts at 2:00 and runs for 50 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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14. Grade 3 · Chapter 454

    Read totals and differences from bars: category a: 39; category b: 25; category c: 29

    A survey display at a classroom activity records three category counts: 39 counters, 25 counters, and 29 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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15. Grade 3 · Chapter 455

    Count groups of a chosen size: objects available: 85; objects required in each group: 5

    At a classroom activity, 85 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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16. Grade 3 · Chapter 456

    Count equal fractional pieces: selected pieces: 12; equal pieces in each whole: 3

    A supply strip for a classroom activity is cut into 3 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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17. Grade 3 · Chapter 457

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

    A rectangular arrangement for a classroom activity has 6 rows 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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18. Grade 3 · Chapter 458

    Separate covering from boundary distance: width: 13; height: 11

    A rectangular plan for a classroom activity measures 13 units across and 11 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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19. Grade 3 · Chapter 459

    Combine hundreds and regroup the total: first three-digit amount: 102; second amount: 31

    At a classroom activity, a first group contains 102 counters and another group brings 31 counters. Find the total after both groups join, explain the calculation, and check a related question.

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20. Grade 3 · Chapter 460

    Choose the nearer hundred: original count: 670; rounding place: 100

    A report for a classroom activity contains a count of 670 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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