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Time & moneyAges 10-12

Complements to $1.00 (cents)

Find how many more cents are needed to make $1.00 (100¢) from a given amount. Review suitability for your learners before teaching.

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Age band:Ages 7-9Ages 10-12

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Worksheet StudioPractice pack · Ages 10-12

Complements to $1.00 (cents)

Take your time. Show your thinking.

  1. 1. You have 49¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    49¢$1.00 Target (100¢)49¢+?¢
    49¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 81¢. How many more cents do you need?

    81¢$1.00 Target (100¢)81¢+?¢
    $1.00 · 100¢ · 81¢ · Complements to $1.00 (cents)

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 7¢. How many cents change do you receive?

    7¢$1.00 Target (100¢)7¢+?¢
    $1.00 · 100¢ · 7¢ · Complements to $1.00 (cents)

  4. 4. Complete the complement to one dollar: 27¢ + ____ = 100¢ ($1.00).

    27¢$1.00 Target (100¢)27¢+?¢
    27¢ · 100¢ · $1.00 · Complements to $1.00 (cents)

  5. 5. A piggy bank holds 16¢. How many extra cents must be added to reach $1.00 (100¢)?

    16¢$1.00 Target (100¢)16¢+?¢
    16¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  6. 6. Two coins in your pocket total 91¢. How many more cents make $1.00 (100¢)?

    91¢$1.00 Target (100¢)91¢+?¢
    91¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  7. 7. A bookmark costs $1.00 (100¢). If you already have 60¢ on the counter, how many more cents are needed?

    60¢$1.00 Target (100¢)60¢+?¢
    $1.00 · 100¢ · 60¢ · Complements to $1.00 (cents)

  8. 8. Find the missing amount to complete one dollar: 100¢ − 47¢ = ____ ($1.00 total).

    47¢$1.00 Target (100¢)47¢+?¢
    100¢ · 47¢ · $1.00 · Complements to $1.00 (cents)

  9. 9. You have 64¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    64¢$1.00 Target (100¢)64¢+?¢
    64¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 20¢. How many more cents do you need?

    20¢$1.00 Target (100¢)20¢+?¢
    $1.00 · 100¢ · 20¢ · Complements to $1.00 (cents)

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 18¢. How many cents change do you receive?

    18¢$1.00 Target (100¢)18¢+?¢
    $1.00 · 100¢ · 18¢ · Complements to $1.00 (cents)

  12. 12. Complete the complement to one dollar: 23¢ + ____ = 100¢ ($1.00).

    23¢$1.00 Target (100¢)23¢+?¢
    23¢ · 100¢ · $1.00 · Complements to $1.00 (cents)
12 questions · Seed 64 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 10-12

Complements to $1.00 (cents)

Answers and reasoning. Review before teaching.

  1. 1. You have 49¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    51¢

    Subtract 49¢ from 100¢: 100¢ − 49¢ = 51¢.

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 81¢. How many more cents do you need?

    19¢

    Subtract 81¢ from 100¢: 100¢ − 81¢ = 19¢.

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 7¢. How many cents change do you receive?

    93¢

    Subtract 7¢ from 100¢: 100¢ − 7¢ = 93¢.

  4. 4. Complete the complement to one dollar: 27¢ + ____ = 100¢ ($1.00).

    73¢

    Subtract 27¢ from 100¢: 100¢ − 27¢ = 73¢.

  5. 5. A piggy bank holds 16¢. How many extra cents must be added to reach $1.00 (100¢)?

    84¢

    Subtract 16¢ from 100¢: 100¢ − 16¢ = 84¢.

  6. 6. Two coins in your pocket total 91¢. How many more cents make $1.00 (100¢)?

    9¢

    Subtract 91¢ from 100¢: 100¢ − 91¢ = 9¢.

  7. 7. A bookmark costs $1.00 (100¢). If you already have 60¢ on the counter, how many more cents are needed?

    40¢

    Subtract 60¢ from 100¢: 100¢ − 60¢ = 40¢.

  8. 8. Find the missing amount to complete one dollar: 100¢ − 47¢ = ____ ($1.00 total).

    53¢

    Subtract 47¢ from 100¢: 100¢ − 47¢ = 53¢.

  9. 9. You have 64¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    36¢

    Subtract 64¢ from 100¢: 100¢ − 64¢ = 36¢.

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 20¢. How many more cents do you need?

    80¢

    Subtract 20¢ from 100¢: 100¢ − 20¢ = 80¢.

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 18¢. How many cents change do you receive?

    82¢

    Subtract 18¢ from 100¢: 100¢ − 18¢ = 82¢.

  12. 12. Complete the complement to one dollar: 23¢ + ____ = 100¢ ($1.00).

    77¢

    Subtract 23¢ from 100¢: 100¢ − 23¢ = 77¢.

12 questions · Seed 64 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12

Complements to $1.00 (cents)

Take your time. Show your thinking.

  1. 1. You have 49¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    49¢$1.00 Target (100¢)49¢+?¢
    49¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 81¢. How many more cents do you need?

    81¢$1.00 Target (100¢)81¢+?¢
    $1.00 · 100¢ · 81¢ · Complements to $1.00 (cents)

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 7¢. How many cents change do you receive?

    7¢$1.00 Target (100¢)7¢+?¢
    $1.00 · 100¢ · 7¢ · Complements to $1.00 (cents)

  4. 4. Complete the complement to one dollar: 27¢ + ____ = 100¢ ($1.00).

    27¢$1.00 Target (100¢)27¢+?¢
    27¢ · 100¢ · $1.00 · Complements to $1.00 (cents)

  5. 5. A piggy bank holds 16¢. How many extra cents must be added to reach $1.00 (100¢)?

    16¢$1.00 Target (100¢)16¢+?¢
    16¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  6. 6. Two coins in your pocket total 91¢. How many more cents make $1.00 (100¢)?

    91¢$1.00 Target (100¢)91¢+?¢
    91¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  7. 7. A bookmark costs $1.00 (100¢). If you already have 60¢ on the counter, how many more cents are needed?

    60¢$1.00 Target (100¢)60¢+?¢
    $1.00 · 100¢ · 60¢ · Complements to $1.00 (cents)

  8. 8. Find the missing amount to complete one dollar: 100¢ − 47¢ = ____ ($1.00 total).

    47¢$1.00 Target (100¢)47¢+?¢
    100¢ · 47¢ · $1.00 · Complements to $1.00 (cents)

  9. 9. You have 64¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    64¢$1.00 Target (100¢)64¢+?¢
    64¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 20¢. How many more cents do you need?

    20¢$1.00 Target (100¢)20¢+?¢
    $1.00 · 100¢ · 20¢ · Complements to $1.00 (cents)

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 18¢. How many cents change do you receive?

    18¢$1.00 Target (100¢)18¢+?¢
    $1.00 · 100¢ · 18¢ · Complements to $1.00 (cents)

  12. 12. Complete the complement to one dollar: 23¢ + ____ = 100¢ ($1.00).

    23¢$1.00 Target (100¢)23¢+?¢
    23¢ · 100¢ · $1.00 · Complements to $1.00 (cents)
12 questions · Seed 64 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12

Complements to $1.00 (cents)

Answers and reasoning. Review before teaching.

  1. 1. You have 49¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    51¢

    Subtract 49¢ from 100¢: 100¢ − 49¢ = 51¢.

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 81¢. How many more cents do you need?

    19¢

    Subtract 81¢ from 100¢: 100¢ − 81¢ = 19¢.

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 7¢. How many cents change do you receive?

    93¢

    Subtract 7¢ from 100¢: 100¢ − 7¢ = 93¢.

  4. 4. Complete the complement to one dollar: 27¢ + ____ = 100¢ ($1.00).

    73¢

    Subtract 27¢ from 100¢: 100¢ − 27¢ = 73¢.

  5. 5. A piggy bank holds 16¢. How many extra cents must be added to reach $1.00 (100¢)?

    84¢

    Subtract 16¢ from 100¢: 100¢ − 16¢ = 84¢.

  6. 6. Two coins in your pocket total 91¢. How many more cents make $1.00 (100¢)?

    9¢

    Subtract 91¢ from 100¢: 100¢ − 91¢ = 9¢.

  7. 7. A bookmark costs $1.00 (100¢). If you already have 60¢ on the counter, how many more cents are needed?

    40¢

    Subtract 60¢ from 100¢: 100¢ − 60¢ = 40¢.

  8. 8. Find the missing amount to complete one dollar: 100¢ − 47¢ = ____ ($1.00 total).

    53¢

    Subtract 47¢ from 100¢: 100¢ − 47¢ = 53¢.

  9. 9. You have 64¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    36¢

    Subtract 64¢ from 100¢: 100¢ − 64¢ = 36¢.

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 20¢. How many more cents do you need?

    80¢

    Subtract 20¢ from 100¢: 100¢ − 20¢ = 80¢.

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 18¢. How many cents change do you receive?

    82¢

    Subtract 18¢ from 100¢: 100¢ − 18¢ = 82¢.

  12. 12. Complete the complement to one dollar: 23¢ + ____ = 100¢ ($1.00).

    77¢

    Subtract 23¢ from 100¢: 100¢ − 23¢ = 77¢.

12 questions · Seed 64 · Age guidance, not curriculum certification