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Time & moneyAges 13-15

Deposit & monthly instalments (USD)

Add an upfront deposit to a series of equal monthly payments to find the total instalment cost. Review suitability for your learners before teaching.

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Worksheet StudioPractice pack · Ages 13-15

Deposit & monthly instalments (USD)

Take your time. Show your thinking.

  1. 1. A laptop has a cash price of $585, or can be bought with a $70 deposit plus 18 monthly payments of $30. How much more does the installment plan cost than the cash price?

    $585 · $70 · 18 m · $30 · Deposit & monthly instalme…
  2. 2. A laptop has a cash price of $155, or can be bought with a $80 deposit plus 9 monthly payments of $15. How much more does the installment plan cost than the cash price?

    $155 · $80 · 9 m · $15 · Deposit & monthly instalme…
  3. 3. A laptop has a cash price of $1210, or can be bought with a $80 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?

    $1210 · $80 · 18 m · $65 · Deposit & monthly instalme…
  4. 4. A laptop has a cash price of $315, or can be bought with a $90 deposit plus 9 monthly payments of $30. How much more does the installment plan cost than the cash price?

    $315 · $90 · 9 m · $30 · Deposit & monthly instalme…
  5. 5. A laptop has a cash price of $470, or can be bought with a $100 deposit plus 9 monthly payments of $45. How much more does the installment plan cost than the cash price?

    $470 · $100 · 9 m · $45 · Deposit & monthly instalme…
  6. 6. A laptop has a cash price of $1000, or can be bought with a $40 deposit plus 18 monthly payments of $55. How much more does the installment plan cost than the cash price?

    $1000 · $40 · 18 m · $55 · Deposit & monthly instalme…
  7. 7. A laptop has a cash price of $575, or can be bought with a $110 deposit plus 24 monthly payments of $20. How much more does the installment plan cost than the cash price?

    $575 · $110 · 24 m · $20 · Deposit & monthly instalme…
  8. 8. A laptop has a cash price of $740, or can be bought with a $90 deposit plus 12 monthly payments of $55. How much more does the installment plan cost than the cash price?

    $740 · $90 · 12 m · $55 · Deposit & monthly instalme…
  9. 9. A laptop has a cash price of $805, or can be bought with a $20 deposit plus 12 monthly payments of $70. How much more does the installment plan cost than the cash price?

    $805 · $20 · 12 m · $70 · Deposit & monthly instalme…
  10. 10. A laptop has a cash price of $715, or can be bought with a $80 deposit plus 9 monthly payments of $75. How much more does the installment plan cost than the cash price?

    $715 · $80 · 9 m · $75 · Deposit & monthly instalme…
  11. 11. A laptop has a cash price of $1225, or can be bought with a $100 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?

    $1225 · $100 · 18 m · $65 · Deposit & monthly instalme…
  12. 12. A laptop has a cash price of $1805, or can be bought with a $20 deposit plus 24 monthly payments of $75. How much more does the installment plan cost than the cash price?

    $1805 · $20 · 24 m · $75 · Deposit & monthly instalme…
12 questions · Seed 104734 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 13-15

Deposit & monthly instalments (USD)

Answers and reasoning. Review before teaching.

  1. 1. A laptop has a cash price of $585, or can be bought with a $70 deposit plus 18 monthly payments of $30. How much more does the installment plan cost than the cash price?

    $25

    Installment total = $70 + 18 × $30 = $610. Difference = $610 − $585 = $25.

  2. 2. A laptop has a cash price of $155, or can be bought with a $80 deposit plus 9 monthly payments of $15. How much more does the installment plan cost than the cash price?

    $60

    Installment total = $80 + 9 × $15 = $215. Difference = $215 − $155 = $60.

  3. 3. A laptop has a cash price of $1210, or can be bought with a $80 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?

    $40

    Installment total = $80 + 18 × $65 = $1250. Difference = $1250 − $1210 = $40.

  4. 4. A laptop has a cash price of $315, or can be bought with a $90 deposit plus 9 monthly payments of $30. How much more does the installment plan cost than the cash price?

    $45

    Installment total = $90 + 9 × $30 = $360. Difference = $360 − $315 = $45.

  5. 5. A laptop has a cash price of $470, or can be bought with a $100 deposit plus 9 monthly payments of $45. How much more does the installment plan cost than the cash price?

    $35

    Installment total = $100 + 9 × $45 = $505. Difference = $505 − $470 = $35.

  6. 6. A laptop has a cash price of $1000, or can be bought with a $40 deposit plus 18 monthly payments of $55. How much more does the installment plan cost than the cash price?

    $30

    Installment total = $40 + 18 × $55 = $1030. Difference = $1030 − $1000 = $30.

  7. 7. A laptop has a cash price of $575, or can be bought with a $110 deposit plus 24 monthly payments of $20. How much more does the installment plan cost than the cash price?

    $15

    Installment total = $110 + 24 × $20 = $590. Difference = $590 − $575 = $15.

  8. 8. A laptop has a cash price of $740, or can be bought with a $90 deposit plus 12 monthly payments of $55. How much more does the installment plan cost than the cash price?

    $10

    Installment total = $90 + 12 × $55 = $750. Difference = $750 − $740 = $10.

  9. 9. A laptop has a cash price of $805, or can be bought with a $20 deposit plus 12 monthly payments of $70. How much more does the installment plan cost than the cash price?

    $55

    Installment total = $20 + 12 × $70 = $860. Difference = $860 − $805 = $55.

  10. 10. A laptop has a cash price of $715, or can be bought with a $80 deposit plus 9 monthly payments of $75. How much more does the installment plan cost than the cash price?

    $40

    Installment total = $80 + 9 × $75 = $755. Difference = $755 − $715 = $40.

  11. 11. A laptop has a cash price of $1225, or can be bought with a $100 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?

    $45

    Installment total = $100 + 18 × $65 = $1270. Difference = $1270 − $1225 = $45.

  12. 12. A laptop has a cash price of $1805, or can be bought with a $20 deposit plus 24 monthly payments of $75. How much more does the installment plan cost than the cash price?

    $15

    Installment total = $20 + 24 × $75 = $1820. Difference = $1820 − $1805 = $15.

12 questions · Seed 104734 · Age guidance, not curriculum certification