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Grade 3 practice chapters

1. Grade 3 · Chapter 621

   Combine hundreds and regroup the total: first three-digit amount: 189; second amount: 27

   At a classroom activity, a first group contains 189 counters and another group brings 27 counters. Find the total after both groups join, explain the calculation, and check a related question.

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2. Grade 3 · Chapter 622

   Choose the nearer hundred: original count: 261; rounding place: 10

   A report for a classroom activity contains a count of 261 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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3. Grade 3 · Chapter 623

   Cross an hour boundary with minutes: starting whole hour: 4; duration: 175 minutes

   An activity at a classroom activity starts at 4:00 and runs for 175 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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4. Grade 3 · Chapter 624

   Read totals and differences from bars: category a: 48; category b: 49; category c: 4

   A survey display at a classroom activity records three category counts: 48 counters, 49 counters, and 4 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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5. Grade 3 · Chapter 625

   Multiply complete equal groups: rows: 8; objects in each row: 2

   A rectangular arrangement for a classroom activity has 8 rows with 2 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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6. Grade 3 · Chapter 626

   Count groups of a chosen size: objects available: 39; objects required in each group: 2

   At a classroom activity, 39 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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7. Grade 3 · Chapter 627

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

   A supply strip for a classroom activity is cut into 3 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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8. Grade 3 · Chapter 628

   Build area with equal square units: rows of unit squares: 10; squares in each row: 7

   A rectangular arrangement for a classroom activity has 10 rows with 7 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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9. Grade 3 · Chapter 629

   Combine hundreds and regroup the total: first three-digit amount: 794; second amount: 138

   At a classroom activity, a first group contains 794 counters and another group brings 138 counters. Find the total after both groups join, explain the calculation, and check a related question.

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10. Grade 3 · Chapter 630

    Choose the nearer hundred: original count: 478; rounding place: 100

    A report for a classroom activity contains a count of 478 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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11. Grade 3 · Chapter 631

    Cross an hour boundary with minutes: starting whole hour: 9; duration: 105 minutes

    An activity at a classroom activity starts at 9:00 and runs for 105 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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12. Grade 3 · Chapter 632

    Read totals and differences from bars: category a: 29; category b: 31; category c: 42

    A survey display at a classroom activity records three category counts: 29 counters, 31 counters, and 42 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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13. Grade 3 · Chapter 633

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

    A rectangular arrangement for a classroom activity has 9 rows with 8 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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14. Grade 3 · Chapter 634

    Count groups of a chosen size: objects available: 96; objects required in each group: 7

    At a classroom activity, 96 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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15. Grade 3 · Chapter 635

    Count equal fractional pieces: selected pieces: 1; equal pieces in each whole: 10

    A supply strip for a classroom activity is cut into 10 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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16. Grade 3 · Chapter 636

    Build area with equal square units: rows of unit squares: 7; squares in each row: 3

    A rectangular arrangement for a classroom activity has 7 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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17. Grade 3 · Chapter 637

    Separate covering from boundary distance: width: 15; height: 14

    A rectangular plan for a classroom activity measures 15 units across and 14 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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18. Grade 3 · Chapter 638

    Combine hundreds and regroup the total: first three-digit amount: 698; second amount: 69

    At a classroom activity, a first group contains 698 counters and another group brings 69 counters. Find the total after both groups join, explain the calculation, and check a related question.

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19. Grade 3 · Chapter 639

    Choose the nearer hundred: original count: 695; rounding place: 10

    A report for a classroom activity contains a count of 695 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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20. Grade 3 · Chapter 640

    Read totals and differences from bars: category a: 10; category b: 13; category c: 19

    A survey display at a classroom activity records three category counts: 10 counters, 13 counters, and 19 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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