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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 78¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    78¢$1.00 Target (100¢)78¢+?¢
    78¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 6¢. How many more cents do you need?

    6¢$1.00 Target (100¢)6¢+?¢
    $1.00 · 100¢ · 6¢ · Complements to $1.00 (cents)

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 20¢. How many cents change do you receive?

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

  4. 4. Complete the complement to one dollar: 17¢ + ____ = 100¢ ($1.00).

    17¢$1.00 Target (100¢)17¢+?¢
    17¢ · 100¢ · $1.00 · Complements to $1.00 (cents)

  5. 5. A piggy bank holds 92¢. How many extra cents must be added to reach $1.00 (100¢)?

    92¢$1.00 Target (100¢)92¢+?¢
    92¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  6. 6. Two coins in your pocket total 90¢. How many more cents make $1.00 (100¢)?

    90¢$1.00 Target (100¢)90¢+?¢
    90¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  7. 7. A bookmark costs $1.00 (100¢). If you already have 25¢ on the counter, how many more cents are needed?

    25¢$1.00 Target (100¢)25¢+?¢
    $1.00 · 100¢ · 25¢ · Complements to $1.00 (cents)

  8. 8. Find the missing amount to complete one dollar: 100¢ − 68¢ = ____ ($1.00 total).

    68¢$1.00 Target (100¢)68¢+?¢
    100¢ · 68¢ · $1.00 · Complements to $1.00 (cents)

  9. 9. You have 46¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    46¢$1.00 Target (100¢)46¢+?¢
    46¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 23¢. How many more cents do you need?

    23¢$1.00 Target (100¢)23¢+?¢
    $1.00 · 100¢ · 23¢ · Complements to $1.00 (cents)

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 89¢. How many cents change do you receive?

    89¢$1.00 Target (100¢)89¢+?¢
    $1.00 · 100¢ · 89¢ · Complements to $1.00 (cents)

  12. 12. Complete the complement to one dollar: 55¢ + ____ = 100¢ ($1.00).

    55¢$1.00 Target (100¢)55¢+?¢
    55¢ · 100¢ · $1.00 · Complements to $1.00 (cents)
12 questions · Seed 50 · 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 78¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    22¢

    Subtract 78¢ from 100¢: 100¢ − 78¢ = 22¢.

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 6¢. How many more cents do you need?

    94¢

    Subtract 6¢ from 100¢: 100¢ − 6¢ = 94¢.

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 20¢. How many cents change do you receive?

    80¢

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

  4. 4. Complete the complement to one dollar: 17¢ + ____ = 100¢ ($1.00).

    83¢

    Subtract 17¢ from 100¢: 100¢ − 17¢ = 83¢.

  5. 5. A piggy bank holds 92¢. How many extra cents must be added to reach $1.00 (100¢)?

    8¢

    Subtract 92¢ from 100¢: 100¢ − 92¢ = 8¢.

  6. 6. Two coins in your pocket total 90¢. How many more cents make $1.00 (100¢)?

    10¢

    Subtract 90¢ from 100¢: 100¢ − 90¢ = 10¢.

  7. 7. A bookmark costs $1.00 (100¢). If you already have 25¢ on the counter, how many more cents are needed?

    75¢

    Subtract 25¢ from 100¢: 100¢ − 25¢ = 75¢.

  8. 8. Find the missing amount to complete one dollar: 100¢ − 68¢ = ____ ($1.00 total).

    32¢

    Subtract 68¢ from 100¢: 100¢ − 68¢ = 32¢.

  9. 9. You have 46¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    54¢

    Subtract 46¢ from 100¢: 100¢ − 46¢ = 54¢.

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 23¢. How many more cents do you need?

    77¢

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

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 89¢. How many cents change do you receive?

    11¢

    Subtract 89¢ from 100¢: 100¢ − 89¢ = 11¢.

  12. 12. Complete the complement to one dollar: 55¢ + ____ = 100¢ ($1.00).

    45¢

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

12 questions · Seed 50 · 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 78¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    78¢$1.00 Target (100¢)78¢+?¢
    78¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 6¢. How many more cents do you need?

    6¢$1.00 Target (100¢)6¢+?¢
    $1.00 · 100¢ · 6¢ · Complements to $1.00 (cents)

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 20¢. How many cents change do you receive?

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

  4. 4. Complete the complement to one dollar: 17¢ + ____ = 100¢ ($1.00).

    17¢$1.00 Target (100¢)17¢+?¢
    17¢ · 100¢ · $1.00 · Complements to $1.00 (cents)

  5. 5. A piggy bank holds 92¢. How many extra cents must be added to reach $1.00 (100¢)?

    92¢$1.00 Target (100¢)92¢+?¢
    92¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  6. 6. Two coins in your pocket total 90¢. How many more cents make $1.00 (100¢)?

    90¢$1.00 Target (100¢)90¢+?¢
    90¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  7. 7. A bookmark costs $1.00 (100¢). If you already have 25¢ on the counter, how many more cents are needed?

    25¢$1.00 Target (100¢)25¢+?¢
    $1.00 · 100¢ · 25¢ · Complements to $1.00 (cents)

  8. 8. Find the missing amount to complete one dollar: 100¢ − 68¢ = ____ ($1.00 total).

    68¢$1.00 Target (100¢)68¢+?¢
    100¢ · 68¢ · $1.00 · Complements to $1.00 (cents)

  9. 9. You have 46¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    46¢$1.00 Target (100¢)46¢+?¢
    46¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 23¢. How many more cents do you need?

    23¢$1.00 Target (100¢)23¢+?¢
    $1.00 · 100¢ · 23¢ · Complements to $1.00 (cents)

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 89¢. How many cents change do you receive?

    89¢$1.00 Target (100¢)89¢+?¢
    $1.00 · 100¢ · 89¢ · Complements to $1.00 (cents)

  12. 12. Complete the complement to one dollar: 55¢ + ____ = 100¢ ($1.00).

    55¢$1.00 Target (100¢)55¢+?¢
    55¢ · 100¢ · $1.00 · Complements to $1.00 (cents)
12 questions · Seed 50 · 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 78¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    22¢

    Subtract 78¢ from 100¢: 100¢ − 78¢ = 22¢.

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 6¢. How many more cents do you need?

    94¢

    Subtract 6¢ from 100¢: 100¢ − 6¢ = 94¢.

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 20¢. How many cents change do you receive?

    80¢

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

  4. 4. Complete the complement to one dollar: 17¢ + ____ = 100¢ ($1.00).

    83¢

    Subtract 17¢ from 100¢: 100¢ − 17¢ = 83¢.

  5. 5. A piggy bank holds 92¢. How many extra cents must be added to reach $1.00 (100¢)?

    8¢

    Subtract 92¢ from 100¢: 100¢ − 92¢ = 8¢.

  6. 6. Two coins in your pocket total 90¢. How many more cents make $1.00 (100¢)?

    10¢

    Subtract 90¢ from 100¢: 100¢ − 90¢ = 10¢.

  7. 7. A bookmark costs $1.00 (100¢). If you already have 25¢ on the counter, how many more cents are needed?

    75¢

    Subtract 25¢ from 100¢: 100¢ − 25¢ = 75¢.

  8. 8. Find the missing amount to complete one dollar: 100¢ − 68¢ = ____ ($1.00 total).

    32¢

    Subtract 68¢ from 100¢: 100¢ − 68¢ = 32¢.

  9. 9. You have 46¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    54¢

    Subtract 46¢ from 100¢: 100¢ − 46¢ = 54¢.

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 23¢. How many more cents do you need?

    77¢

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

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 89¢. How many cents change do you receive?

    11¢

    Subtract 89¢ from 100¢: 100¢ − 89¢ = 11¢.

  12. 12. Complete the complement to one dollar: 55¢ + ____ = 100¢ ($1.00).

    45¢

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

12 questions · Seed 50 · Age guidance, not curriculum certification