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Grade 3 practice chapters

1. Grade 3 · Chapter 641

   Multiply complete equal groups: rows: 10; objects in each row: 4

   A rectangular arrangement for a classroom activity has 10 rows with 4 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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2. Grade 3 · Chapter 642

   Count groups of a chosen size: objects available: 53; objects required in each group: 4

   At a classroom activity, 53 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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3. Grade 3 · Chapter 643

   Count equal fractional pieces: selected pieces: 12; equal pieces in each whole: 5

   A supply strip for a classroom activity is cut into 5 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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4. Grade 3 · Chapter 644

   Build area with equal square units: rows of unit squares: 4; squares in each row: 11

   A rectangular arrangement for a classroom activity has 4 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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5. Grade 3 · Chapter 645

   Combine hundreds and regroup the total: first three-digit amount: 602; second amount: 181

   At a classroom activity, a first group contains 602 counters and another group brings 181 counters. Find the total after both groups join, explain the calculation, and check a related question.

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6. Grade 3 · Chapter 646

   Choose the nearer hundred: original count: 912; rounding place: 100

   A report for a classroom activity contains a count of 912 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 647

   Cross an hour boundary with minutes: starting whole hour: 7; duration: 150 minutes

   An activity at a classroom activity starts at 7:00 and runs for 150 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 648

   Read totals and differences from bars: category a: 52; category b: 55; category c: 56

   A survey display at a classroom activity records three category counts: 52 counters, 55 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 649

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

   At a classroom activity, 10 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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10. Grade 3 · Chapter 650

    Count equal fractional pieces: selected pieces: 10; equal pieces in each whole: 12

    A supply strip for a classroom activity is cut into 12 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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11. Grade 3 · Chapter 651

    Build area with equal square units: rows of unit squares: 1; squares in each row: 7

    A rectangular arrangement for a classroom activity has 1 row 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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12. Grade 3 · Chapter 652

    Combine hundreds and regroup the total: first three-digit amount: 506; second amount: 112

    At a classroom activity, a first group contains 506 counters and another group brings 112 counters. Find the total after both groups join, explain the calculation, and check a related question.

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13. Grade 3 · Chapter 653

    Choose the nearer hundred: original count: 229; rounding place: 100

    A report for a classroom activity contains a count of 229 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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14. Grade 3 · Chapter 654

    Cross an hour boundary with minutes: starting whole hour: 12; duration: 80 minutes

    An activity at a classroom activity starts at 12:00 and runs for 80 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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15. Grade 3 · Chapter 655

    Read totals and differences from bars: category a: 33; category b: 37; category c: 33

    A survey display at a classroom activity records three category counts: 33 counters, 37 counters, and 33 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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16. Grade 3 · Chapter 656

    Count groups of a chosen size: objects available: 67; objects required in each group: 6

    At a classroom activity, 67 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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17. Grade 3 · Chapter 657

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

    A supply strip for a classroom activity is cut into 8 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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18. Grade 3 · Chapter 658

    Build area with equal square units: rows of unit squares: 8; squares in each row: 2

    A rectangular arrangement for a classroom activity has 8 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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19. Grade 3 · Chapter 659

    Separate covering from boundary distance: width: 12; height: 12

    A rectangular plan for a classroom activity measures 12 units across and 12 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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20. Grade 3 · Chapter 660

    Combine hundreds and regroup the total: first three-digit amount: 410; second amount: 43

    At a classroom activity, a first group contains 410 counters and another group brings 43 counters. Find the total after both groups join, explain the calculation, and check a related question.

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