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Grade 3 practice chapters

1. Grade 3 · Chapter 181

   Choose the nearer hundred: original count: 990; rounding place: 100

   A report for a classroom activity contains a count of 990 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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2. Grade 3 · Chapter 182

   Cross an hour boundary with minutes: starting whole hour: 2; duration: 155 minutes

   An activity at a classroom activity starts at 2:00 and runs for 155 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 183

   Read totals and differences from bars: category a: 52; category b: 13; category c: 14

   A survey display at a classroom activity records three category counts: 52 counters, 13 counters, and 14 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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4. Grade 3 · Chapter 184

   Multiply complete equal groups: rows: 10; objects in each row: 8

   A rectangular arrangement for a classroom activity has 10 rows with 8 counters in each row. Find the number of objects in the original array, explain the calculation, and check a related question.

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5. Grade 3 · Chapter 185

   Count groups of a chosen size: objects available: 62; objects required in each group: 4

   At a classroom activity, 62 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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6. Grade 3 · Chapter 186

   Count equal fractional pieces: selected pieces: 12; equal pieces in each whole: 11

   A supply strip for a classroom activity is cut into 11 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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7. Grade 3 · Chapter 187

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

   A rectangular arrangement for a classroom activity has 4 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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8. Grade 3 · Chapter 188

   Separate covering from boundary distance: width: 4; height: 8

   A rectangular plan for a classroom activity measures 4 units across and 8 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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9. Grade 3 · Chapter 189

   Combine hundreds and regroup the total: first three-digit amount: 754; second amount: 166

   At a classroom activity, a first group contains 754 counters and another group brings 166 counters. Find the total after both groups join, explain the calculation, and check a related question.

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10. Grade 3 · Chapter 190

    Choose the nearer hundred: original count: 307; rounding place: 100

    A report for a classroom activity contains a count of 307 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 191

    Cross an hour boundary with minutes: starting whole hour: 7; duration: 85 minutes

    An activity at a classroom activity starts at 7:00 and runs for 85 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 192

    Read totals and differences from bars: category a: 33; category b: 56; category c: 51

    A survey display at a classroom activity records three category counts: 33 counters, 56 counters, and 51 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 193

    Count groups of a chosen size: objects available: 19; objects required in each group: 10

    At a classroom activity, 19 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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14. Grade 3 · Chapter 194

    Count equal fractional pieces: selected pieces: 10; equal pieces in each whole: 7

    A supply strip for a classroom activity is cut into 7 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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15. Grade 3 · Chapter 195

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

    A rectangular arrangement for a classroom activity has 1 row 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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16. Grade 3 · Chapter 196

    Separate covering from boundary distance: width: 8; height: 2

    A rectangular plan for a classroom activity measures 8 units across and 2 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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17. Grade 3 · Chapter 197

    Combine hundreds and regroup the total: first three-digit amount: 658; second amount: 97

    At a classroom activity, a first group contains 658 counters and another group brings 97 counters. Find the total after both groups join, explain the calculation, and check a related question.

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18. Grade 3 · Chapter 198

    Choose the nearer hundred: original count: 524; rounding place: 10

    A report for a classroom activity contains a count of 524 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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19. Grade 3 · Chapter 199

    Read totals and differences from bars: category a: 14; category b: 38; category c: 28

    A survey display at a classroom activity records three category counts: 14 counters, 38 counters, and 28 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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20. Grade 3 · Chapter 200

    Count groups of a chosen size: objects available: 76; objects required in each group: 6

    At a classroom activity, 76 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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