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Grade 3 practice chapters

1. Grade 3 · Chapter 1

   Count groups of a chosen size: objects available: 37; objects required in each group: 9

   At a classroom activity, 37 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 2

   Count equal fractional pieces: selected pieces: 12; equal pieces in each whole: 9

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

   Build area with equal square units: rows of unit squares: 6; squares in each row: 12

   A rectangular arrangement for a classroom activity has 6 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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4. Grade 3 · Chapter 4

   Separate covering from boundary distance: width: 13; height: 10

   A rectangular plan for a classroom activity measures 13 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 5

   Combine hundreds and regroup the total: first three-digit amount: 254; second amount: 16

   At a classroom activity, a first group contains 254 counters and another group brings 16 counters. Find the total after both groups join, explain the calculation, and check a related question.

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6. Grade 3 · Chapter 6

   Choose the nearer hundred: original count: 499; rounding place: 100

   A report for a classroom activity contains a count of 499 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 7

   Read totals and differences from bars: category a: 1; category b: 8; category c: 1

   A survey display at a classroom activity records three category counts: 1 counter, 8 counters, and 1 counter. 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 8

   Multiply complete equal groups: rows: 7; objects in each row: 8

   A rectangular arrangement for a classroom activity has 7 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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9. Grade 3 · Chapter 9

   Count groups of a chosen size: objects available: 94; objects required in each group: 5

   At a classroom activity, 94 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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10. Grade 3 · Chapter 10

    Count equal fractional pieces: selected pieces: 10; equal pieces in each whole: 5

    A supply strip for a classroom activity is cut into 5 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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11. Grade 3 · Chapter 11

    Build area with equal square units: rows of unit squares: 3; squares in each row: 8

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

    Combine hundreds and regroup the total: first three-digit amount: 158; second amount: 128

    At a classroom activity, a first group contains 158 counters and another group brings 128 counters. Find the total after both groups join, explain the calculation, and check a related question.

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13. Grade 3 · Chapter 13

    Choose the nearer hundred: original count: 716; rounding place: 10

    A report for a classroom activity contains a count of 716 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 14

    Cross an hour boundary with minutes: starting whole hour: 12; duration: 25 minutes

    An activity at a classroom activity starts at 12:00 and runs for 25 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 15

    Read totals and differences from bars: category a: 43; category b: 50; category c: 38

    A survey display at a classroom activity records three category counts: 43 counters, 50 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 16

    Multiply complete equal groups: rows: 8; objects in each row: 4

    A rectangular arrangement for a classroom activity has 8 rows with 4 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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17. Grade 3 · Chapter 17

    Count groups of a chosen size: objects available: 51; objects required in each group: 2

    At a classroom activity, 51 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 18

    Count equal fractional pieces: selected pieces: 8; equal pieces in each whole: 12

    A supply strip for a classroom activity is cut into 12 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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19. Grade 3 · Chapter 19

    Separate covering from boundary distance: width: 6; height: 14

    A rectangular plan for a classroom activity measures 6 units across and 14 units high. Find the original perimeter and area, explain the calculation, and check a related question.

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20. Grade 3 · Chapter 20

    Combine hundreds and regroup the total: first three-digit amount: 763; second amount: 58

    At a classroom activity, a first group contains 763 counters and another group brings 58 counters. Find the total after both groups join, explain the calculation, and check a related question.

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