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Grade 3 practice chapters

1. Grade 3 · Chapter 341

   Combine hundreds and regroup the total: first three-digit amount: 236; second amount: 51

   At a classroom activity, a first group contains 236 counters and another group brings 51 counters. Find the total after both groups join, explain the calculation, and check a related question.

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2. Grade 3 · Chapter 342

   Choose the nearer hundred: original count: 581; rounding place: 10

   A report for a classroom activity contains a count of 581 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 343

   Cross an hour boundary with minutes: starting whole hour: 11; duration: 165 minutes

   An activity at a classroom activity starts at 11:00 and runs for 165 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 344

   Read totals and differences from bars: category a: 19; category b: 56; category c: 12

   A survey display at a classroom activity records three category counts: 19 counters, 56 counters, and 12 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 345

   Count groups of a chosen size: objects available: 73; objects required in each group: 6

   At a classroom activity, 73 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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6. Grade 3 · Chapter 346

   Count equal fractional pieces: selected pieces: 5; equal pieces in each whole: 4

   A supply strip for a classroom activity is cut into 4 equal pieces per whole, and 5 pieces are selected. Find the original selected amount as an exact fraction, explain the calculation, and check a related question.

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7. Grade 3 · Chapter 347

   Build area with equal square units: rows of unit squares: 1; squares in each row: 11

   A rectangular arrangement for a classroom activity has 1 row 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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8. Grade 3 · Chapter 348

   Separate covering from boundary distance: width: 13; height: 7

   A rectangular plan for a classroom activity measures 13 units across and 7 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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9. Grade 3 · Chapter 349

   Combine hundreds and regroup the total: first three-digit amount: 140; second amount: 163

   At a classroom activity, a first group contains 140 counters and another group brings 163 counters. Find the total after both groups join, explain the calculation, and check a related question.

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10. Grade 3 · Chapter 350

    Choose the nearer hundred: original count: 798; rounding place: 100

    A report for a classroom activity contains a count of 798 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 351

    Cross an hour boundary with minutes: starting whole hour: 4; duration: 100 minutes

    An activity at a classroom activity starts at 4:00 and runs for 100 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 352

    Read totals and differences from bars: category a: 0; category b: 38; category c: 50

    A survey display at a classroom activity records three category counts: 0 counters, 38 counters, and 50 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 353

    Count groups of a chosen size: objects available: 30; objects required in each group: 3

    At a classroom activity, 30 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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14. Grade 3 · Chapter 354

    Count equal fractional pieces: selected pieces: 3; equal pieces in each whole: 11

    A supply strip for a classroom activity is cut into 11 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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15. Grade 3 · Chapter 355

    Build area with equal square units: rows of unit squares: 8; squares in each row: 6

    A rectangular arrangement for a classroom activity has 8 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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16. Grade 3 · Chapter 356

    Combine hundreds and regroup the total: first three-digit amount: 745; second amount: 93

    At a classroom activity, a first group contains 745 counters and another group brings 93 counters. Find the total after both groups join, explain the calculation, and check a related question.

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17. Grade 3 · Chapter 357

    Choose the nearer hundred: original count: 115; rounding place: 100

    A report for a classroom activity contains a count of 115 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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18. Grade 3 · Chapter 358

    Read totals and differences from bars: category a: 42; category b: 19; category c: 27

    A survey display at a classroom activity records three category counts: 42 counters, 19 counters, and 27 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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19. Grade 3 · Chapter 359

    Count groups of a chosen size: objects available: 87; objects required in each group: 8

    At a classroom activity, 87 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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20. Grade 3 · Chapter 360

    Count equal fractional pieces: selected pieces: 1; equal pieces in each whole: 7

    A supply strip for a classroom activity is cut into 7 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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