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Grade 3 practice chapters

1. Grade 3 · Chapter 381

   Count groups of a chosen size: objects available: 15; objects required in each group: 4

   At a classroom activity, 15 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.

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2. Grade 3 · Chapter 382

   Count equal fractional pieces: selected pieces: 8; equal pieces in each whole: 5

   A supply strip for a classroom activity is cut into 5 equal pieces per whole, and 8 pieces are selected. Find the original selected amount as an exact fraction, explain the calculation, and check a related question.

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3. Grade 3 · Chapter 383

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

   A rectangular arrangement for a classroom activity has 6 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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4. Grade 3 · Chapter 384

   Separate covering from boundary distance: width: 3; height: 9

   A rectangular plan for a classroom activity measures 3 units across and 9 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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5. Grade 3 · Chapter 385

   Combine hundreds and regroup the total: first three-digit amount: 361; second amount: 179

   At a classroom activity, a first group contains 361 counters and another group brings 179 counters. Find the total after both groups join, explain the calculation, and check a related question.

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6. Grade 3 · Chapter 386

   Choose the nearer hundred: original count: 983; rounding place: 100

   A report for a classroom activity contains a count of 983 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 387

   Cross an hour boundary with minutes: starting whole hour: 5; duration: 120 minutes

   An activity at a classroom activity starts at 5:00 and runs for 120 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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8. Grade 3 · Chapter 388

   Read totals and differences from bars: category a: 27; category b: 7; category c: 56

   A survey display at a classroom activity records three category counts: 27 counters, 7 counters, and 56 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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9. Grade 3 · Chapter 389

   Multiply complete equal groups: rows: 7; objects in each row: 3

   A rectangular arrangement for a classroom activity has 7 rows with 3 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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10. Grade 3 · Chapter 390

    Count groups of a chosen size: objects available: 72; objects required in each group: 9

    At a classroom activity, 72 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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11. Grade 3 · Chapter 391

    Count equal fractional pieces: selected pieces: 6; equal pieces in each whole: 12

    A supply strip for a classroom activity is cut into 12 equal pieces per whole, and 6 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 392

    Build area with equal square units: rows of unit squares: 3; squares in each row: 9

    A rectangular arrangement for a classroom activity has 3 rows with 9 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 393

    Separate covering from boundary distance: width: 7; height: 3

    A rectangular plan for a classroom activity measures 7 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 394

    Combine hundreds and regroup the total: first three-digit amount: 265; second amount: 110

    At a classroom activity, a first group contains 265 counters and another group brings 110 counters. Find the total after both groups join, explain the calculation, and check a related question.

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15. Grade 3 · Chapter 395

    Choose the nearer hundred: original count: 517; rounding place: 10

    A report for a classroom activity contains a count of 517 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 396

    Cross an hour boundary with minutes: starting whole hour: 10; duration: 50 minutes

    An activity at a classroom activity starts at 10:00 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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17. Grade 3 · Chapter 397

    Read totals and differences from bars: category a: 8; category b: 50; category c: 32

    A survey display at a classroom activity records three category counts: 8 counters, 50 counters, and 32 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 398

    Multiply complete equal groups: rows: 8; objects in each row: 9

    A rectangular arrangement for a classroom activity has 8 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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19. Grade 3 · Chapter 399

    Count groups of a chosen size: objects available: 29; objects required in each group: 6

    At a classroom activity, 29 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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20. Grade 3 · Chapter 400

    Count equal fractional pieces: selected pieces: 4; equal pieces in each whole: 8

    A supply strip for a classroom activity is cut into 8 equal pieces per whole, and 4 pieces are selected. Find the original selected amount as an exact fraction, explain the calculation, and check a related question.

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