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Grade 3 practice chapters

1. Grade 3 · Chapter 661

   Choose the nearer hundred: original count: 446; rounding place: 10

   A report for a classroom activity contains a count of 446 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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2. Grade 3 · Chapter 662

   Cross an hour boundary with minutes: starting whole hour: 5; duration: 15 minutes

   An activity at a classroom activity starts at 5:00 and runs for 15 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 663

   Count groups of a chosen size: objects available: 24; objects required in each group: 3

   At a classroom activity, 24 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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4. Grade 3 · Chapter 664

   Count equal fractional pieces: selected pieces: 6; equal pieces in each whole: 4

   A supply strip for a classroom activity is cut into 4 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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5. Grade 3 · Chapter 665

   Build area with equal square units: rows of unit squares: 5; squares in each row: 10

   A rectangular arrangement for a classroom activity has 5 rows with 10 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 666

   Combine hundreds and regroup the total: first three-digit amount: 314; second amount: 155

   At a classroom activity, a first group contains 314 counters and another group brings 155 counters. Find the total after both groups join, explain the calculation, and check a related question.

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7. Grade 3 · Chapter 667

   Choose the nearer hundred: original count: 663; rounding place: 100

   A report for a classroom activity contains a count of 663 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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8. Grade 3 · Chapter 668

   Read totals and differences from bars: category a: 56; category b: 0; category c: 48

   A survey display at a classroom activity records three category counts: 56 counters, 0 counters, and 48 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 669

   Count groups of a chosen size: objects available: 81; objects required in each group: 8

   At a classroom activity, 81 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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10. Grade 3 · Chapter 670

    Count equal fractional pieces: selected pieces: 4; equal pieces in each whole: 11

    A supply strip for a classroom activity is cut into 11 equal pieces per whole, and 4 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 671

    Build area with equal square units: rows of unit squares: 2; squares in each row: 6

    A rectangular arrangement for a classroom activity has 2 rows with 6 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 672

    Combine hundreds and regroup the total: first three-digit amount: 218; second amount: 86

    At a classroom activity, a first group contains 218 counters and another group brings 86 counters. Find the total after both groups join, explain the calculation, and check a related question.

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13. Grade 3 · Chapter 673

    Choose the nearer hundred: original count: 197; rounding place: 10

    A report for a classroom activity contains a count of 197 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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14. Grade 3 · Chapter 674

    Cross an hour boundary with minutes: starting whole hour: 3; duration: 60 minutes

    An activity at a classroom activity starts at 3:00 and runs for 60 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 675

    Read totals and differences from bars: category a: 37; category b: 43; category c: 24

    A survey display at a classroom activity records three category counts: 37 counters, 43 counters, and 24 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 676

    Count groups of a chosen size: objects available: 38; objects required in each group: 5

    At a classroom activity, 38 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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17. Grade 3 · Chapter 677

    Count equal fractional pieces: selected pieces: 2; equal pieces in each whole: 7

    A supply strip for a classroom activity is cut into 7 equal pieces per whole, and 2 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 678

    Build area with equal square units: rows of unit squares: 9; squares in each row: 1

    A rectangular arrangement for a classroom activity has 9 rows with 1 unit square 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 679

    Combine hundreds and regroup the total: first three-digit amount: 122; second amount: 17

    At a classroom activity, a first group contains 122 counters and another group brings 17 counters. Find the total after both groups join, explain the calculation, and check a related question.

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20. Grade 3 · Chapter 680

    Choose the nearer hundred: original count: 414; rounding place: 100

    A report for a classroom activity contains a count of 414 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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