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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 44¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    44¢$1.00 Target (100¢)44¢+?¢
    44¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 12¢. How many more cents do you need?

    12¢$1.00 Target (100¢)12¢+?¢
    $1.00 · 100¢ · 12¢ · Complements to $1.00 (cents)

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 13¢. How many cents change do you receive?

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

  4. 4. Complete the complement to one dollar: 21¢ + ____ = 100¢ ($1.00).

    21¢$1.00 Target (100¢)21¢+?¢
    21¢ · 100¢ · $1.00 · Complements to $1.00 (cents)

  5. 5. A piggy bank holds 86¢. How many extra cents must be added to reach $1.00 (100¢)?

    86¢$1.00 Target (100¢)86¢+?¢
    86¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  6. 6. Two coins in your pocket total 24¢. How many more cents make $1.00 (100¢)?

    24¢$1.00 Target (100¢)24¢+?¢
    24¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  7. 7. A bookmark costs $1.00 (100¢). If you already have 85¢ on the counter, how many more cents are needed?

    85¢$1.00 Target (100¢)85¢+?¢
    $1.00 · 100¢ · 85¢ · Complements to $1.00 (cents)

  8. 8. Find the missing amount to complete one dollar: 100¢ − 45¢ = ____ ($1.00 total).

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

  9. 9. You have 36¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    36¢$1.00 Target (100¢)36¢+?¢
    36¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 79¢. How many more cents do you need?

    79¢$1.00 Target (100¢)79¢+?¢
    $1.00 · 100¢ · 79¢ · Complements to $1.00 (cents)

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 30¢. How many cents change do you receive?

    30¢$1.00 Target (100¢)30¢+?¢
    $1.00 · 100¢ · 30¢ · Complements to $1.00 (cents)

  12. 12. Complete the complement to one dollar: 82¢ + ____ = 100¢ ($1.00).

    82¢$1.00 Target (100¢)82¢+?¢
    82¢ · 100¢ · $1.00 · Complements to $1.00 (cents)
12 questions · Seed 47 · 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 44¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    56¢

    Subtract 44¢ from 100¢: 100¢ − 44¢ = 56¢.

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 12¢. How many more cents do you need?

    88¢

    Subtract 12¢ from 100¢: 100¢ − 12¢ = 88¢.

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 13¢. How many cents change do you receive?

    87¢

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

  4. 4. Complete the complement to one dollar: 21¢ + ____ = 100¢ ($1.00).

    79¢

    Subtract 21¢ from 100¢: 100¢ − 21¢ = 79¢.

  5. 5. A piggy bank holds 86¢. How many extra cents must be added to reach $1.00 (100¢)?

    14¢

    Subtract 86¢ from 100¢: 100¢ − 86¢ = 14¢.

  6. 6. Two coins in your pocket total 24¢. How many more cents make $1.00 (100¢)?

    76¢

    Subtract 24¢ from 100¢: 100¢ − 24¢ = 76¢.

  7. 7. A bookmark costs $1.00 (100¢). If you already have 85¢ on the counter, how many more cents are needed?

    15¢

    Subtract 85¢ from 100¢: 100¢ − 85¢ = 15¢.

  8. 8. Find the missing amount to complete one dollar: 100¢ − 45¢ = ____ ($1.00 total).

    55¢

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

  9. 9. You have 36¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    64¢

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

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 79¢. How many more cents do you need?

    21¢

    Subtract 79¢ from 100¢: 100¢ − 79¢ = 21¢.

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 30¢. How many cents change do you receive?

    70¢

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

  12. 12. Complete the complement to one dollar: 82¢ + ____ = 100¢ ($1.00).

    18¢

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

12 questions · Seed 47 · 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 44¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    44¢$1.00 Target (100¢)44¢+?¢
    44¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 12¢. How many more cents do you need?

    12¢$1.00 Target (100¢)12¢+?¢
    $1.00 · 100¢ · 12¢ · Complements to $1.00 (cents)

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 13¢. How many cents change do you receive?

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

  4. 4. Complete the complement to one dollar: 21¢ + ____ = 100¢ ($1.00).

    21¢$1.00 Target (100¢)21¢+?¢
    21¢ · 100¢ · $1.00 · Complements to $1.00 (cents)

  5. 5. A piggy bank holds 86¢. How many extra cents must be added to reach $1.00 (100¢)?

    86¢$1.00 Target (100¢)86¢+?¢
    86¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  6. 6. Two coins in your pocket total 24¢. How many more cents make $1.00 (100¢)?

    24¢$1.00 Target (100¢)24¢+?¢
    24¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  7. 7. A bookmark costs $1.00 (100¢). If you already have 85¢ on the counter, how many more cents are needed?

    85¢$1.00 Target (100¢)85¢+?¢
    $1.00 · 100¢ · 85¢ · Complements to $1.00 (cents)

  8. 8. Find the missing amount to complete one dollar: 100¢ − 45¢ = ____ ($1.00 total).

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

  9. 9. You have 36¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    36¢$1.00 Target (100¢)36¢+?¢
    36¢ · $1.00 · 100¢ · Complements to $1.00 (cents)

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 79¢. How many more cents do you need?

    79¢$1.00 Target (100¢)79¢+?¢
    $1.00 · 100¢ · 79¢ · Complements to $1.00 (cents)

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 30¢. How many cents change do you receive?

    30¢$1.00 Target (100¢)30¢+?¢
    $1.00 · 100¢ · 30¢ · Complements to $1.00 (cents)

  12. 12. Complete the complement to one dollar: 82¢ + ____ = 100¢ ($1.00).

    82¢$1.00 Target (100¢)82¢+?¢
    82¢ · 100¢ · $1.00 · Complements to $1.00 (cents)
12 questions · Seed 47 · 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 44¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    56¢

    Subtract 44¢ from 100¢: 100¢ − 44¢ = 56¢.

  2. 2. A sticker pack costs $1.00 (100¢) and you have saved 12¢. How many more cents do you need?

    88¢

    Subtract 12¢ from 100¢: 100¢ − 12¢ = 88¢.

  3. 3. You pay with a $1.00 note (100¢) for a snack costing 13¢. How many cents change do you receive?

    87¢

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

  4. 4. Complete the complement to one dollar: 21¢ + ____ = 100¢ ($1.00).

    79¢

    Subtract 21¢ from 100¢: 100¢ − 21¢ = 79¢.

  5. 5. A piggy bank holds 86¢. How many extra cents must be added to reach $1.00 (100¢)?

    14¢

    Subtract 86¢ from 100¢: 100¢ − 86¢ = 14¢.

  6. 6. Two coins in your pocket total 24¢. How many more cents make $1.00 (100¢)?

    76¢

    Subtract 24¢ from 100¢: 100¢ − 24¢ = 76¢.

  7. 7. A bookmark costs $1.00 (100¢). If you already have 85¢ on the counter, how many more cents are needed?

    15¢

    Subtract 85¢ from 100¢: 100¢ − 85¢ = 15¢.

  8. 8. Find the missing amount to complete one dollar: 100¢ − 45¢ = ____ ($1.00 total).

    55¢

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

  9. 9. You have 36¢ in your coin purse. How many more cents do you need to make $1.00 (100¢)?

    64¢

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

  10. 10. A sticker pack costs $1.00 (100¢) and you have saved 79¢. How many more cents do you need?

    21¢

    Subtract 79¢ from 100¢: 100¢ − 79¢ = 21¢.

  11. 11. You pay with a $1.00 note (100¢) for a snack costing 30¢. How many cents change do you receive?

    70¢

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

  12. 12. Complete the complement to one dollar: 82¢ + ____ = 100¢ ($1.00).

    18¢

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

12 questions · Seed 47 · Age guidance, not curriculum certification