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Grade 3 practice chapters

1. Grade 3 · Chapter 201

   Count equal fractional pieces: selected pieces: 8; equal pieces in each whole: 3

   A supply strip for a classroom activity is cut into 3 equal pieces per whole, and 8 pieces are selected. Find the original selected amount as an exact fraction, explain the calculation, and check a related question.

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2. Grade 3 · Chapter 202

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

   A rectangular arrangement for a classroom activity has 8 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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3. Grade 3 · Chapter 203

   Separate covering from boundary distance: width: 12; height: 11

   A rectangular plan for a classroom activity measures 12 units across and 11 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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4. Grade 3 · Chapter 204

   Combine hundreds and regroup the total: first three-digit amount: 562; second amount: 28

   At a classroom activity, a first group contains 562 counters and another group brings 28 counters. Find the total after both groups join, explain the calculation, and check a related question.

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5. Grade 3 · Chapter 205

   Choose the nearer hundred: original count: 741; rounding place: 100

   A report for a classroom activity contains a count of 741 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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6. Grade 3 · Chapter 206

   Cross an hour boundary with minutes: starting whole hour: 5; duration: 130 minutes

   An activity at a classroom activity starts at 5:00 and runs for 130 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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7. Grade 3 · Chapter 207

   Read totals and differences from bars: category a: 56; category b: 19; category c: 5

   A survey display at a classroom activity records three category counts: 56 counters, 19 counters, and 5 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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8. Grade 3 · Chapter 208

   Count groups of a chosen size: objects available: 33; objects required in each group: 3

   At a classroom activity, 33 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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9. Grade 3 · Chapter 209

   Count equal fractional pieces: selected pieces: 6; equal pieces in each whole: 10

   A supply strip for a classroom activity is cut into 10 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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10. Grade 3 · Chapter 210

    Build area with equal square units: rows of unit squares: 5; squares in each row: 4

    A rectangular arrangement for a classroom activity has 5 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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11. Grade 3 · Chapter 211

    Separate covering from boundary distance: width: 1; height: 6

    A rectangular plan for a classroom activity measures 1 units across and 6 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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12. Grade 3 · Chapter 212

    Combine hundreds and regroup the total: first three-digit amount: 466; second amount: 140

    At a classroom activity, a first group contains 466 counters and another group brings 140 counters. Find the total after both groups join, explain the calculation, and check a related question.

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13. Grade 3 · Chapter 213

    Choose the nearer hundred: original count: 958; rounding place: 10

    A report for a classroom activity contains a count of 958 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 214

    Cross an hour boundary with minutes: starting whole hour: 10; duration: 60 minutes

    An activity at a classroom activity starts at 10:00 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 215

    Read totals and differences from bars: category a: 37; category b: 1; category c: 43

    A survey display at a classroom activity records three category counts: 37 counters, 1 counter, and 43 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 216

    Count groups of a chosen size: objects available: 90; objects required in each group: 8

    At a classroom activity, 90 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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17. Grade 3 · Chapter 217

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

    A supply strip for a classroom activity is cut into 6 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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18. Grade 3 · Chapter 218

    Build area with equal square units: rows of unit squares: 2; squares in each row: 12

    A rectangular arrangement for a classroom activity has 2 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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19. Grade 3 · Chapter 219

    Separate covering from boundary distance: width: 5; height: 15

    A rectangular plan for a classroom activity measures 5 units across and 15 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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20. Grade 3 · Chapter 220

    Combine hundreds and regroup the total: first three-digit amount: 370; second amount: 71

    At a classroom activity, a first group contains 370 counters and another group brings 71 counters. Find the total after both groups join, explain the calculation, and check a related question.

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