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Grade 3 practice chapters

1. Grade 3 · Chapter 421

   Read totals and differences from bars: category a: 12; category b: 56; category c: 23

   A survey display at a classroom activity records three category counts: 12 counters, 56 counters, and 23 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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2. Grade 3 · Chapter 422

   Count groups of a chosen size: objects available: 100; objects required in each group: 4

   At a classroom activity, 100 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 423

   Count equal fractional pieces: selected pieces: 9; equal pieces in each whole: 2

   A supply strip for a classroom activity is cut into 2 equal pieces per whole, and 9 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 424

   Build area with equal square units: rows of unit squares: 1; squares in each row: 4

   A rectangular arrangement for a classroom activity has 1 row 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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5. Grade 3 · Chapter 425

   Combine hundreds and regroup the total: first three-digit amount: 582; second amount: 14

   At a classroom activity, a first group contains 582 counters and another group brings 14 counters. Find the total after both groups join, explain the calculation, and check a related question.

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6. Grade 3 · Chapter 426

   Choose the nearer hundred: original count: 485; rounding place: 100

   A report for a classroom activity contains a count of 485 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 427

   Cross an hour boundary with minutes: starting whole hour: 6; duration: 140 minutes

   An activity at a classroom activity starts at 6:00 and runs for 140 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 428

   Read totals and differences from bars: category a: 54; category b: 37; category c: 0

   A survey display at a classroom activity records three category counts: 54 counters, 37 counters, and 0 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 429

   Count groups of a chosen size: objects available: 57; objects required in each group: 10

   At a classroom activity, 57 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 430

    Count equal fractional pieces: selected pieces: 7; equal pieces in each whole: 9

    A supply strip for a classroom activity is cut into 9 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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11. Grade 3 · Chapter 431

    Build area with equal square units: rows of unit squares: 8; squares in each row: 11

    A rectangular arrangement for a classroom activity has 8 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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12. Grade 3 · Chapter 432

    Combine hundreds and regroup the total: first three-digit amount: 486; second amount: 126

    At a classroom activity, a first group contains 486 counters and another group brings 126 counters. Find the total after both groups join, explain the calculation, and check a related question.

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13. Grade 3 · Chapter 433

    Choose the nearer hundred: original count: 702; rounding place: 10

    A report for a classroom activity contains a count of 702 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 434

    Cross an hour boundary with minutes: starting whole hour: 11; duration: 70 minutes

    An activity at a classroom activity starts at 11:00 and runs for 70 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 435

    Read totals and differences from bars: category a: 35; category b: 19; category c: 38

    A survey display at a classroom activity records three category counts: 35 counters, 19 counters, and 38 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 436

    Count groups of a chosen size: objects available: 14; objects required in each group: 7

    At a classroom activity, 14 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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17. Grade 3 · Chapter 437

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

    A supply strip for a classroom activity is cut into 5 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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18. Grade 3 · Chapter 438

    Separate covering from boundary distance: width: 1; height: 14

    A rectangular plan for a classroom activity measures 1 units across and 14 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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19. Grade 3 · Chapter 439

    Combine hundreds and regroup the total: first three-digit amount: 390; second amount: 57

    At a classroom activity, a first group contains 390 counters and another group brings 57 counters. Find the total after both groups join, explain the calculation, and check a related question.

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20. Grade 3 · Chapter 440

    Choose the nearer hundred: original count: 919; rounding place: 100

    A report for a classroom activity contains a count of 919 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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