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Grade 3 practice chapters

1. Grade 3 · Chapter 501

   Choose the nearer hundred: original count: 855; rounding place: 100

   A report for a classroom activity contains a count of 855 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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2. Grade 3 · Chapter 502

   Cross an hour boundary with minutes: starting whole hour: 8; duration: 180 minutes

   An activity at a classroom activity starts at 8:00 and runs for 180 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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3. Grade 3 · Chapter 503

   Read totals and differences from bars: category a: 47; category b: 37; category c: 11

   A survey display at a classroom activity records three category counts: 47 counters, 37 counters, and 11 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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4. Grade 3 · Chapter 504

   Count groups of a chosen size: objects available: 27; objects required in each group: 3

   At a classroom activity, 27 counters are packed in groups of exactly 3. Find the number of complete groups and the remainder, explain the calculation, and check a related question.

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5. Grade 3 · Chapter 505

   Count equal fractional pieces: selected pieces: 11; equal pieces in each whole: 7

   A supply strip for a classroom activity is cut into 7 equal pieces per whole, and 11 pieces are selected. Find the original selected amount as an exact fraction, explain the calculation, and check a related question.

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6. Grade 3 · Chapter 506

   Build area with equal square units: rows of unit squares: 8; squares in each row: 4

   A rectangular arrangement for a classroom activity has 8 rows with 4 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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7. Grade 3 · Chapter 507

   Combine hundreds and regroup the total: first three-digit amount: 227; second amount: 159

   At a classroom activity, a first group contains 227 counters and another group brings 159 counters. Find the total after both groups join, explain the calculation, and check a related question.

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8. Grade 3 · Chapter 508

   Choose the nearer hundred: original count: 172; rounding place: 100

   A report for a classroom activity contains a count of 172 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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9. Grade 3 · Chapter 509

   Cross an hour boundary with minutes: starting whole hour: 1; duration: 115 minutes

   An activity at a classroom activity starts at 1:00 and runs for 115 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 510

    Read totals and differences from bars: category a: 28; category b: 19; category c: 49

    A survey display at a classroom activity records three category counts: 28 counters, 19 counters, and 49 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 511

    Count groups of a chosen size: objects available: 84; objects required in each group: 8

    At a classroom activity, 84 counters are packed in groups of exactly 8. 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 512

    Build area with equal square units: rows of unit squares: 5; squares in each row: 12

    A rectangular arrangement for a classroom activity has 5 rows with 12 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 513

    Separate covering from boundary distance: width: 11; height: 1

    A rectangular plan for a classroom activity measures 11 units across and 1 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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14. Grade 3 · Chapter 514

    Combine hundreds and regroup the total: first three-digit amount: 131; second amount: 90

    At a classroom activity, a first group contains 131 counters and another group brings 90 counters. Find the total after both groups join, explain the calculation, and check a related question.

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15. Grade 3 · Chapter 515

    Choose the nearer hundred: original count: 389; rounding place: 10

    A report for a classroom activity contains a count of 389 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 516

    Cross an hour boundary with minutes: starting whole hour: 6; duration: 45 minutes

    An activity at a classroom activity starts at 6:00 and runs for 45 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 517

    Read totals and differences from bars: category a: 9; category b: 1; category c: 26

    A survey display at a classroom activity records three category counts: 9 counters, 1 counter, and 26 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 518

    Count groups of a chosen size: objects available: 41; objects required in each group: 5

    At a classroom activity, 41 counters are packed in groups of exactly 5. Find the number of complete groups and the remainder, explain the calculation, and check a related question.

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19. Grade 3 · Chapter 519

    Count equal fractional pieces: selected pieces: 7; equal pieces in each whole: 10

    A supply strip for a classroom activity is cut into 10 equal pieces per whole, and 7 pieces are selected. Find the original selected amount as an exact fraction, explain the calculation, and check a related question.

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20. Grade 3 · Chapter 520

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

    A rectangular arrangement for a classroom activity has 2 rows with 8 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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