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Grade 3 practice chapters

1. Grade 3 · Chapter 521

   Separate covering from boundary distance: width: 15; height: 10

   A rectangular plan for a classroom activity measures 15 units across and 10 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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2. Grade 3 · Chapter 522

   Combine hundreds and regroup the total: first three-digit amount: 736; second amount: 20

   At a classroom activity, a first group contains 736 counters and another group brings 20 counters. Find the total after both groups join, explain the calculation, and check a related question.

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3. Grade 3 · Chapter 523

   Choose the nearer hundred: original count: 606; rounding place: 100

   A report for a classroom activity contains a count of 606 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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4. Grade 3 · Chapter 524

   Cross an hour boundary with minutes: starting whole hour: 11; duration: 155 minutes

   An activity at a classroom activity starts at 11:00 and runs for 155 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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5. Grade 3 · Chapter 525

   Read totals and differences from bars: category a: 51; category b: 43; category c: 2

   A survey display at a classroom activity records three category counts: 51 counters, 43 counters, and 2 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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6. Grade 3 · Chapter 526

   Count groups of a chosen size: objects available: 98; objects required in each group: 10

   At a classroom activity, 98 counters are packed in groups of exactly 10. Find the number of complete groups and the remainder, explain the calculation, and check a related question.

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7. Grade 3 · Chapter 527

   Combine hundreds and regroup the total: first three-digit amount: 640; second amount: 132

   At a classroom activity, a first group contains 640 counters and another group brings 132 counters. Find the total after both groups join, explain the calculation, and check a related question.

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8. Grade 3 · Chapter 528

   Choose the nearer hundred: original count: 823; rounding place: 10

   A report for a classroom activity contains a count of 823 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 529

   Cross an hour boundary with minutes: starting whole hour: 4; duration: 90 minutes

   An activity at a classroom activity starts at 4:00 and runs for 90 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 530

    Read totals and differences from bars: category a: 32; category b: 25; category c: 40

    A survey display at a classroom activity records three category counts: 32 counters, 25 counters, and 40 counters. 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 531

    Count groups of a chosen size: objects available: 55; objects required in each group: 7

    At a classroom activity, 55 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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12. Grade 3 · Chapter 532

    Count equal fractional pieces: selected pieces: 3; equal pieces in each whole: 2

    A supply strip for a classroom activity is cut into 2 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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13. Grade 3 · Chapter 533

    Build area with equal square units: rows of unit squares: 6; squares in each row: 11

    A rectangular arrangement for a classroom activity has 6 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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14. Grade 3 · Chapter 534

    Separate covering from boundary distance: width: 8; height: 14

    A rectangular plan for a classroom activity measures 8 units across and 14 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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15. Grade 3 · Chapter 535

    Combine hundreds and regroup the total: first three-digit amount: 544; second amount: 63

    At a classroom activity, a first group contains 544 counters and another group brings 63 counters. Find the total after both groups join, explain the calculation, and check a related question.

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16. Grade 3 · Chapter 536

    Choose the nearer hundred: original count: 357; rounding place: 100

    A report for a classroom activity contains a count of 357 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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17. Grade 3 · Chapter 537

    Cross an hour boundary with minutes: starting whole hour: 9; duration: 20 minutes

    An activity at a classroom activity starts at 9:00 and runs for 20 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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18. Grade 3 · Chapter 538

    Read totals and differences from bars: category a: 13; category b: 7; category c: 17

    A survey display at a classroom activity records three category counts: 13 counters, 7 counters, and 17 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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19. Grade 3 · Chapter 539

    Multiply complete equal groups: rows: 7; objects in each row: 5

    A rectangular arrangement for a classroom activity has 7 rows with 5 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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20. Grade 3 · Chapter 540

    Count groups of a chosen size: objects available: 12; objects required in each group: 4

    At a classroom activity, 12 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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