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Grade 3 practice chapters

1. Grade 3 · Chapter 161

   Count groups of a chosen size: objects available: 34; objects required in each group: 9

   At a classroom activity, 34 counters are packed in groups of exactly 9. Find the number of complete groups and the remainder, explain the calculation, and check a related question.

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2. Grade 3 · Chapter 162

   Count equal fractional pieces: selected pieces: 5; equal pieces in each whole: 2

   A supply strip for a classroom activity is cut into 2 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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3. Grade 3 · Chapter 163

   Build area with equal square units: rows of unit squares: 3; squares in each row: 6

   A rectangular arrangement for a classroom activity has 3 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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4. Grade 3 · Chapter 164

   Separate covering from boundary distance: width: 7; height: 10

   A rectangular plan for a classroom activity measures 7 units across and 10 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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5. Grade 3 · Chapter 165

   Combine hundreds and regroup the total: first three-digit amount: 341; second amount: 12

   At a classroom activity, a first group contains 341 counters and another group brings 12 counters. Find the total after both groups join, explain the calculation, and check a related question.

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6. Grade 3 · Chapter 166

   Choose the nearer hundred: original count: 556; rounding place: 100

   A report for a classroom activity contains a count of 556 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 167

   Cross an hour boundary with minutes: starting whole hour: 4; duration: 110 minutes

   An activity at a classroom activity starts at 4:00 and runs for 110 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 168

   Read totals and differences from bars: category a: 29; category b: 50; category c: 60

   A survey display at a classroom activity records three category counts: 29 counters, 50 counters, and 60 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 169

   Multiply complete equal groups: rows: 8; objects in each row: 6

   A rectangular arrangement for a classroom activity has 8 rows with 6 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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10. Grade 3 · Chapter 170

    Count groups of a chosen size: objects available: 91; objects required in each group: 5

    At a classroom activity, 91 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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11. Grade 3 · Chapter 171

    Count equal fractional pieces: selected pieces: 3; equal pieces in each whole: 9

    A supply strip for a classroom activity is cut into 9 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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12. Grade 3 · Chapter 172

    Build area with equal square units: rows of unit squares: 10; squares in each row: 1

    A rectangular arrangement for a classroom activity has 10 rows 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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13. Grade 3 · Chapter 173

    Combine hundreds and regroup the total: first three-digit amount: 245; second amount: 124

    At a classroom activity, a first group contains 245 counters and another group brings 124 counters. Find the total after both groups join, explain the calculation, and check a related question.

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14. Grade 3 · Chapter 174

    Choose the nearer hundred: original count: 773; rounding place: 10

    A report for a classroom activity contains a count of 773 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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15. Grade 3 · Chapter 175

    Cross an hour boundary with minutes: starting whole hour: 9; duration: 40 minutes

    An activity at a classroom activity starts at 9:00 and runs for 40 minutes. Find the clock reading at the planned end, explain the calculation, and check a related question.

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16. Grade 3 · Chapter 176

    Read totals and differences from bars: category a: 10; category b: 32; category c: 37

    A survey display at a classroom activity records three category counts: 10 counters, 32 counters, and 37 counters. Find the total count and the largest and smallest category counts, explain the calculation, and check a related question.

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17. Grade 3 · Chapter 177

    Count groups of a chosen size: objects available: 48; objects required in each group: 2

    At a classroom activity, 48 counters are packed in groups of exactly 2. Find the number of complete groups and the remainder, explain the calculation, and check a related question.

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18. Grade 3 · Chapter 178

    Count equal fractional pieces: selected pieces: 1; equal pieces in each whole: 5

    A supply strip for a classroom activity is cut into 5 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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19. Grade 3 · Chapter 179

    Separate covering from boundary distance: width: 15; height: 13

    A rectangular plan for a classroom activity measures 15 units across and 13 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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20. Grade 3 · Chapter 180

    Combine hundreds and regroup the total: first three-digit amount: 149; second amount: 55

    At a classroom activity, a first group contains 149 counters and another group brings 55 counters. Find the total after both groups join, explain the calculation, and check a related question.

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