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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 70¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    70¢$1.00 Target (100¢)70¢+?¢
    70¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 72¢. How many more cents do you need?

    72¢$1.00 Target (100¢)72¢+?¢
    $1.00 · 100¢ · 72¢ · Complements to $1.00 (cents)

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 49¢. How many cents change do you receive?

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

  4. 4. Complete the complement to one dollar: 13¢ + ____ = 100¢ ($1.00).

    13¢$1.00 Target (100¢)13¢+?¢
    13¢ · 100¢ · $1.00 · Complements to $1.00 (cents)

  5. 5. A piggy bank holds 60¢. How many extra cents must be added to reach $1.00 (100¢)?

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

  6. 6. Two coins in your pocket total 45¢. How many more cents make $1.00 (100¢)?

    45¢$1.00 Target (100¢)45¢+?¢
    45¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  7. 7. A bookmark costs $1.00 (100¢). If you already have 37¢ on the counter, how many more cents are needed?

    37¢$1.00 Target (100¢)37¢+?¢
    $1.00 · 100¢ · 37¢ · Complements to $1.00 (cents)

  8. 8. Find the missing amount to complete one dollar: 100¢ − 41¢ = ____ ($1.00 total).

    41¢$1.00 Target (100¢)41¢+?¢
    100¢ · 41¢ · $1.00 · Complements to $1.00 (cents)

  9. 9. You have 20¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

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

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 34¢. How many more cents do you need?

    34¢$1.00 Target (100¢)34¢+?¢
    $1.00 · 100¢ · 34¢ · Complements to $1.00 (cents)

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 50¢. How many cents change do you receive?

    50¢$1.00 Target (100¢)50¢+?¢
    $1.00 · 100¢ · 50¢ · Complements to $1.00 (cents)

  12. 12. Complete the complement to one dollar: 61¢ + ____ = 100¢ ($1.00).

    61¢$1.00 Target (100¢)61¢+?¢
    61¢ · 100¢ · $1.00 · Complements to $1.00 (cents)
12 questions · Seed 46 · 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 70¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    30¢

    Subtract 70¢ from 100¢: 100¢ − 70¢ = 30¢.

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 72¢. How many more cents do you need?

    28¢

    Subtract 72¢ from 100¢: 100¢ − 72¢ = 28¢.

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 49¢. How many cents change do you receive?

    51¢

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

  4. 4. Complete the complement to one dollar: 13¢ + ____ = 100¢ ($1.00).

    87¢

    Subtract 13¢ from 100¢: 100¢ − 13¢ = 87¢.

  5. 5. A piggy bank holds 60¢. How many extra cents must be added to reach $1.00 (100¢)?

    40¢

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

  6. 6. Two coins in your pocket total 45¢. How many more cents make $1.00 (100¢)?

    55¢

    Subtract 45¢ from 100¢: 100¢ − 45¢ = 55¢.

  7. 7. A bookmark costs $1.00 (100¢). If you already have 37¢ on the counter, how many more cents are needed?

    63¢

    Subtract 37¢ from 100¢: 100¢ − 37¢ = 63¢.

  8. 8. Find the missing amount to complete one dollar: 100¢ − 41¢ = ____ ($1.00 total).

    59¢

    Subtract 41¢ from 100¢: 100¢ − 41¢ = 59¢.

  9. 9. You have 20¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    80¢

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

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 34¢. How many more cents do you need?

    66¢

    Subtract 34¢ from 100¢: 100¢ − 34¢ = 66¢.

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 50¢. How many cents change do you receive?

    50¢

    Subtract 50¢ from 100¢: 100¢ − 50¢ = 50¢.

  12. 12. Complete the complement to one dollar: 61¢ + ____ = 100¢ ($1.00).

    39¢

    Subtract 61¢ from 100¢: 100¢ − 61¢ = 39¢.

12 questions · Seed 46 · 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 70¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    70¢$1.00 Target (100¢)70¢+?¢
    70¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 72¢. How many more cents do you need?

    72¢$1.00 Target (100¢)72¢+?¢
    $1.00 · 100¢ · 72¢ · Complements to $1.00 (cents)

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 49¢. How many cents change do you receive?

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

  4. 4. Complete the complement to one dollar: 13¢ + ____ = 100¢ ($1.00).

    13¢$1.00 Target (100¢)13¢+?¢
    13¢ · 100¢ · $1.00 · Complements to $1.00 (cents)

  5. 5. A piggy bank holds 60¢. How many extra cents must be added to reach $1.00 (100¢)?

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

  6. 6. Two coins in your pocket total 45¢. How many more cents make $1.00 (100¢)?

    45¢$1.00 Target (100¢)45¢+?¢
    45¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  7. 7. A bookmark costs $1.00 (100¢). If you already have 37¢ on the counter, how many more cents are needed?

    37¢$1.00 Target (100¢)37¢+?¢
    $1.00 · 100¢ · 37¢ · Complements to $1.00 (cents)

  8. 8. Find the missing amount to complete one dollar: 100¢ − 41¢ = ____ ($1.00 total).

    41¢$1.00 Target (100¢)41¢+?¢
    100¢ · 41¢ · $1.00 · Complements to $1.00 (cents)

  9. 9. You have 20¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

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

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 34¢. How many more cents do you need?

    34¢$1.00 Target (100¢)34¢+?¢
    $1.00 · 100¢ · 34¢ · Complements to $1.00 (cents)

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 50¢. How many cents change do you receive?

    50¢$1.00 Target (100¢)50¢+?¢
    $1.00 · 100¢ · 50¢ · Complements to $1.00 (cents)

  12. 12. Complete the complement to one dollar: 61¢ + ____ = 100¢ ($1.00).

    61¢$1.00 Target (100¢)61¢+?¢
    61¢ · 100¢ · $1.00 · Complements to $1.00 (cents)
12 questions · Seed 46 · 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 70¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    30¢

    Subtract 70¢ from 100¢: 100¢ − 70¢ = 30¢.

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 72¢. How many more cents do you need?

    28¢

    Subtract 72¢ from 100¢: 100¢ − 72¢ = 28¢.

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 49¢. How many cents change do you receive?

    51¢

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

  4. 4. Complete the complement to one dollar: 13¢ + ____ = 100¢ ($1.00).

    87¢

    Subtract 13¢ from 100¢: 100¢ − 13¢ = 87¢.

  5. 5. A piggy bank holds 60¢. How many extra cents must be added to reach $1.00 (100¢)?

    40¢

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

  6. 6. Two coins in your pocket total 45¢. How many more cents make $1.00 (100¢)?

    55¢

    Subtract 45¢ from 100¢: 100¢ − 45¢ = 55¢.

  7. 7. A bookmark costs $1.00 (100¢). If you already have 37¢ on the counter, how many more cents are needed?

    63¢

    Subtract 37¢ from 100¢: 100¢ − 37¢ = 63¢.

  8. 8. Find the missing amount to complete one dollar: 100¢ − 41¢ = ____ ($1.00 total).

    59¢

    Subtract 41¢ from 100¢: 100¢ − 41¢ = 59¢.

  9. 9. You have 20¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    80¢

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

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 34¢. How many more cents do you need?

    66¢

    Subtract 34¢ from 100¢: 100¢ − 34¢ = 66¢.

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 50¢. How many cents change do you receive?

    50¢

    Subtract 50¢ from 100¢: 100¢ − 50¢ = 50¢.

  12. 12. Complete the complement to one dollar: 61¢ + ____ = 100¢ ($1.00).

    39¢

    Subtract 61¢ from 100¢: 100¢ − 61¢ = 39¢.

12 questions · Seed 46 · Age guidance, not curriculum certification