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Grade 3 practice chapters

1. Grade 3 · Chapter 461

   Cross an hour boundary with minutes: starting whole hour: 7; duration: 160 minutes

   An activity at a classroom activity starts at 7:00 and runs for 160 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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2. Grade 3 · Chapter 462

   Read totals and differences from bars: category a: 20; category b: 7; category c: 6

   A survey display at a classroom activity records three category counts: 20 counters, 7 counters, and 6 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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3. Grade 3 · Chapter 463

   Count groups of a chosen size: objects available: 42; objects required in each group: 2

   At a classroom activity, 42 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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4. Grade 3 · Chapter 464

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

   A supply strip for a classroom activity is cut into 10 equal pieces per whole, and 10 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 465

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

   A rectangular arrangement for a classroom activity has 3 rows with 2 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 466

   Combine hundreds and regroup the total: first three-digit amount: 707; second amount: 142

   At a classroom activity, a first group contains 707 counters and another group brings 142 counters. Find the total after both groups join, explain the calculation, and check a related question.

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7. Grade 3 · Chapter 467

   Choose the nearer hundred: original count: 887; rounding place: 10

   A report for a classroom activity contains a count of 887 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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8. Grade 3 · Chapter 468

   Cross an hour boundary with minutes: starting whole hour: 12; duration: 90 minutes

   An activity at a classroom activity starts at 12:00 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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9. Grade 3 · Chapter 469

   Read totals and differences from bars: category a: 1; category b: 50; category c: 43

   A survey display at a classroom activity records three category counts: 1 counter, 50 counters, and 43 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 470

    Multiply complete equal groups: rows: 8; objects in each row: 10

    A rectangular arrangement for a classroom activity has 8 rows with 10 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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11. Grade 3 · Chapter 471

    Count groups of a chosen size: objects available: 99; objects required in each group: 7

    At a classroom activity, 99 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 472

    Count equal fractional pieces: selected pieces: 8; equal pieces in each whole: 6

    A supply strip for a classroom activity is cut into 6 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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13. Grade 3 · Chapter 473

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

    A rectangular arrangement for a classroom activity has 10 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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14. Grade 3 · Chapter 474

    Separate covering from boundary distance: width: 6; height: 15

    A rectangular plan for a classroom activity measures 6 units across and 15 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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15. Grade 3 · Chapter 475

    Combine hundreds and regroup the total: first three-digit amount: 611; second amount: 73

    At a classroom activity, a first group contains 611 counters and another group brings 73 counters. Find the total after both groups join, explain the calculation, and check a related question.

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16. Grade 3 · Chapter 476

    Choose the nearer hundred: original count: 204; rounding place: 10

    A report for a classroom activity contains a count of 204 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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17. Grade 3 · Chapter 477

    Read totals and differences from bars: category a: 43; category b: 31; category c: 20

    A survey display at a classroom activity records three category counts: 43 counters, 31 counters, and 20 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 478

    Multiply complete equal groups: rows: 9; objects in each row: 6

    A rectangular arrangement for a classroom activity has 9 rows with 6 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 479

    Count groups of a chosen size: objects available: 56; objects required in each group: 4

    At a classroom activity, 56 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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20. Grade 3 · Chapter 480

    Count equal fractional pieces: selected pieces: 6; equal pieces in each whole: 2

    A supply strip for a classroom activity is cut into 2 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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