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Grade 3 practice chapters

1. Grade 3 · Chapter 361

   Build area with equal square units: rows of unit squares: 5; squares in each row: 2

   A rectangular arrangement for a classroom activity has 5 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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2. Grade 3 · Chapter 362

   Separate covering from boundary distance: width: 6; height: 11

   A rectangular plan for a classroom activity measures 6 units across and 11 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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3. Grade 3 · Chapter 363

   Combine hundreds and regroup the total: first three-digit amount: 649; second amount: 24

   At a classroom activity, a first group contains 649 counters and another group brings 24 counters. Find the total after both groups join, explain the calculation, and check a related question.

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4. Grade 3 · Chapter 364

   Choose the nearer hundred: original count: 332; rounding place: 10

   A report for a classroom activity contains a count of 332 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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5. Grade 3 · Chapter 365

   Cross an hour boundary with minutes: starting whole hour: 2; duration: 145 minutes

   An activity at a classroom activity starts at 2:00 and runs for 145 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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6. Grade 3 · Chapter 366

   Read totals and differences from bars: category a: 23; category b: 1; category c: 4

   A survey display at a classroom activity records three category counts: 23 counters, 1 counter, 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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7. Grade 3 · Chapter 367

   Count groups of a chosen size: objects available: 44; objects required in each group: 5

   At a classroom activity, 44 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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8. Grade 3 · Chapter 368

   Count equal fractional pieces: selected pieces: 12; equal pieces in each whole: 2

   A supply strip for a classroom activity is cut into 2 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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9. Grade 3 · Chapter 369

   Build area with equal square units: rows of unit squares: 2; squares in each row: 10

   A rectangular arrangement for a classroom activity has 2 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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10. Grade 3 · Chapter 370

    Combine hundreds and regroup the total: first three-digit amount: 553; second amount: 136

    At a classroom activity, a first group contains 553 counters and another group brings 136 counters. Find the total after both groups join, explain the calculation, and check a related question.

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11. Grade 3 · Chapter 371

    Choose the nearer hundred: original count: 549; rounding place: 100

    A report for a classroom activity contains a count of 549 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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12. Grade 3 · Chapter 372

    Cross an hour boundary with minutes: starting whole hour: 7; duration: 75 minutes

    An activity at a classroom activity starts at 7:00 and runs for 75 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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13. Grade 3 · Chapter 373

    Read totals and differences from bars: category a: 4; category b: 44; category c: 41

    A survey display at a classroom activity records three category counts: 4 counters, 44 counters, and 41 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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14. Grade 3 · Chapter 374

    Count groups of a chosen size: objects available: 58; objects required in each group: 7

    At a classroom activity, 58 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 375

    Count equal fractional pieces: selected pieces: 10; equal pieces in each whole: 9

    A supply strip for a classroom activity is cut into 9 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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16. Grade 3 · Chapter 376

    Build area with equal square units: rows of unit squares: 9; squares in each row: 5

    A rectangular arrangement for a classroom activity has 9 rows with 5 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 377

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

    A rectangular plan for a classroom activity measures 14 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 378

    Combine hundreds and regroup the total: first three-digit amount: 457; second amount: 67

    At a classroom activity, a first group contains 457 counters and another group brings 67 counters. Find the total after both groups join, explain the calculation, and check a related question.

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19. Grade 3 · Chapter 379

    Choose the nearer hundred: original count: 766; rounding place: 10

    A report for a classroom activity contains a count of 766 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 380

    Read totals and differences from bars: category a: 46; category b: 25; category c: 18

    A survey display at a classroom activity records three category counts: 46 counters, 25 counters, and 18 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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