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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Age band:Ages 10-12 Ages 13-15

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Worksheet StudioPractice pack · Ages 13-15

Deposit & monthly instalments (USD)

Take your time. Show your thinking.

1. A laptop has a cash price of $635, or can be bought with a $60 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$635 · $60 · 12 m · $50 · Deposit & monthly instalme…
2. A laptop has a cash price of $365, or can be bought with a $150 deposit plus 9 monthly payments of $30. How much more does the installment plan cost than the cash price?
$365 · $150 · 9 m · $30 · Deposit & monthly instalme…
3. A laptop has a cash price of $555, or can be bought with a $60 deposit plus 18 monthly payments of $30. How much more does the installment plan cost than the cash price?
$555 · $60 · 18 m · $30 · Deposit & monthly instalme…
4. A laptop has a cash price of $625, or can be bought with a $40 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$625 · $40 · 12 m · $50 · Deposit & monthly instalme…
5. A laptop has a cash price of $1005, or can be bought with a $80 deposit plus 24 monthly payments of $40. How much more does the installment plan cost than the cash price?
$1005 · $80 · 24 m · $40 · Deposit & monthly instalme…
6. A laptop has a cash price of $1295, or can be bought with a $30 deposit plus 24 monthly payments of $55. How much more does the installment plan cost than the cash price?
$1295 · $30 · 24 m · $55 · Deposit & monthly instalme…
7. A laptop has a cash price of $380, or can be bought with a $90 deposit plus 9 monthly payments of $35. How much more does the installment plan cost than the cash price?
$380 · $90 · 9 m · $35 · Deposit & monthly instalme…
8. A laptop has a cash price of $415, or can be bought with a $50 deposit plus 9 monthly payments of $45. How much more does the installment plan cost than the cash price?
$415 · $50 · 9 m · $45 · Deposit & monthly instalme…
9. A laptop has a cash price of $570, 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?
$570 · $70 · 18 m · $30 · Deposit & monthly instalme…
10. A laptop has a cash price of $655, or can be bought with a $110 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$655 · $110 · 12 m · $50 · Deposit & monthly instalme…
11. A laptop has a cash price of $1815, or can be bought with a $150 deposit plus 24 monthly payments of $70. How much more does the installment plan cost than the cash price?
$1815 · $150 · 24 m · $70 · Deposit & monthly instalme…
12. A laptop has a cash price of $1640, or can be bought with a $100 deposit plus 24 monthly payments of $65. How much more does the installment plan cost than the cash price?
$1640 · $100 · 24 m · $65 · Deposit & monthly instalme…

12 questions · Seed 51 · 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. A laptop has a cash price of $635, or can be bought with a $60 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$25
Installment total = $60 + 12 × $50 = $660. Difference = $660 − $635 = $25.
2. A laptop has a cash price of $365, or can be bought with a $150 deposit plus 9 monthly payments of $30. How much more does the installment plan cost than the cash price?
$55
Installment total = $150 + 9 × $30 = $420. Difference = $420 − $365 = $55.
3. A laptop has a cash price of $555, or can be bought with a $60 deposit plus 18 monthly payments of $30. How much more does the installment plan cost than the cash price?
$45
Installment total = $60 + 18 × $30 = $600. Difference = $600 − $555 = $45.
4. A laptop has a cash price of $625, or can be bought with a $40 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$15
Installment total = $40 + 12 × $50 = $640. Difference = $640 − $625 = $15.
5. A laptop has a cash price of $1005, or can be bought with a $80 deposit plus 24 monthly payments of $40. How much more does the installment plan cost than the cash price?
$35
Installment total = $80 + 24 × $40 = $1040. Difference = $1040 − $1005 = $35.
6. A laptop has a cash price of $1295, or can be bought with a $30 deposit plus 24 monthly payments of $55. How much more does the installment plan cost than the cash price?
$55
Installment total = $30 + 24 × $55 = $1350. Difference = $1350 − $1295 = $55.
7. A laptop has a cash price of $380, or can be bought with a $90 deposit plus 9 monthly payments of $35. How much more does the installment plan cost than the cash price?
$25
Installment total = $90 + 9 × $35 = $405. Difference = $405 − $380 = $25.
8. A laptop has a cash price of $415, or can be bought with a $50 deposit plus 9 monthly payments of $45. How much more does the installment plan cost than the cash price?
$40
Installment total = $50 + 9 × $45 = $455. Difference = $455 − $415 = $40.
9. A laptop has a cash price of $570, 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?
$40
Installment total = $70 + 18 × $30 = $610. Difference = $610 − $570 = $40.
10. A laptop has a cash price of $655, or can be bought with a $110 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$55
Installment total = $110 + 12 × $50 = $710. Difference = $710 − $655 = $55.
11. A laptop has a cash price of $1815, or can be bought with a $150 deposit plus 24 monthly payments of $70. How much more does the installment plan cost than the cash price?
$15
Installment total = $150 + 24 × $70 = $1830. Difference = $1830 − $1815 = $15.
12. A laptop has a cash price of $1640, or can be bought with a $100 deposit plus 24 monthly payments of $65. How much more does the installment plan cost than the cash price?
$20
Installment total = $100 + 24 × $65 = $1660. Difference = $1660 − $1640 = $20.

12 questions · Seed 51 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 13-15

Deposit & monthly instalments (USD)

Take your time. Show your thinking.

1. A laptop has a cash price of $635, or can be bought with a $60 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$635 · $60 · 12 m · $50 · Deposit & monthly instalme…
2. A laptop has a cash price of $365, or can be bought with a $150 deposit plus 9 monthly payments of $30. How much more does the installment plan cost than the cash price?
$365 · $150 · 9 m · $30 · Deposit & monthly instalme…
3. A laptop has a cash price of $555, or can be bought with a $60 deposit plus 18 monthly payments of $30. How much more does the installment plan cost than the cash price?
$555 · $60 · 18 m · $30 · Deposit & monthly instalme…
4. A laptop has a cash price of $625, or can be bought with a $40 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$625 · $40 · 12 m · $50 · Deposit & monthly instalme…
5. A laptop has a cash price of $1005, or can be bought with a $80 deposit plus 24 monthly payments of $40. How much more does the installment plan cost than the cash price?
$1005 · $80 · 24 m · $40 · Deposit & monthly instalme…
6. A laptop has a cash price of $1295, or can be bought with a $30 deposit plus 24 monthly payments of $55. How much more does the installment plan cost than the cash price?
$1295 · $30 · 24 m · $55 · Deposit & monthly instalme…
7. A laptop has a cash price of $380, or can be bought with a $90 deposit plus 9 monthly payments of $35. How much more does the installment plan cost than the cash price?
$380 · $90 · 9 m · $35 · Deposit & monthly instalme…
8. A laptop has a cash price of $415, or can be bought with a $50 deposit plus 9 monthly payments of $45. How much more does the installment plan cost than the cash price?
$415 · $50 · 9 m · $45 · Deposit & monthly instalme…
9. A laptop has a cash price of $570, 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?
$570 · $70 · 18 m · $30 · Deposit & monthly instalme…
10. A laptop has a cash price of $655, or can be bought with a $110 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$655 · $110 · 12 m · $50 · Deposit & monthly instalme…
11. A laptop has a cash price of $1815, or can be bought with a $150 deposit plus 24 monthly payments of $70. How much more does the installment plan cost than the cash price?
$1815 · $150 · 24 m · $70 · Deposit & monthly instalme…
12. A laptop has a cash price of $1640, or can be bought with a $100 deposit plus 24 monthly payments of $65. How much more does the installment plan cost than the cash price?
$1640 · $100 · 24 m · $65 · Deposit & monthly instalme…

12 questions · Seed 51 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 13-15

Deposit & monthly instalments (USD)

Answers and reasoning. Review before teaching.

1. A laptop has a cash price of $635, or can be bought with a $60 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$25
Installment total = $60 + 12 × $50 = $660. Difference = $660 − $635 = $25.
2. A laptop has a cash price of $365, or can be bought with a $150 deposit plus 9 monthly payments of $30. How much more does the installment plan cost than the cash price?
$55
Installment total = $150 + 9 × $30 = $420. Difference = $420 − $365 = $55.
3. A laptop has a cash price of $555, or can be bought with a $60 deposit plus 18 monthly payments of $30. How much more does the installment plan cost than the cash price?
$45
Installment total = $60 + 18 × $30 = $600. Difference = $600 − $555 = $45.
4. A laptop has a cash price of $625, or can be bought with a $40 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$15
Installment total = $40 + 12 × $50 = $640. Difference = $640 − $625 = $15.
5. A laptop has a cash price of $1005, or can be bought with a $80 deposit plus 24 monthly payments of $40. How much more does the installment plan cost than the cash price?
$35
Installment total = $80 + 24 × $40 = $1040. Difference = $1040 − $1005 = $35.
6. A laptop has a cash price of $1295, or can be bought with a $30 deposit plus 24 monthly payments of $55. How much more does the installment plan cost than the cash price?
$55
Installment total = $30 + 24 × $55 = $1350. Difference = $1350 − $1295 = $55.
7. A laptop has a cash price of $380, or can be bought with a $90 deposit plus 9 monthly payments of $35. How much more does the installment plan cost than the cash price?
$25
Installment total = $90 + 9 × $35 = $405. Difference = $405 − $380 = $25.
8. A laptop has a cash price of $415, or can be bought with a $50 deposit plus 9 monthly payments of $45. How much more does the installment plan cost than the cash price?
$40
Installment total = $50 + 9 × $45 = $455. Difference = $455 − $415 = $40.
9. A laptop has a cash price of $570, 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?
$40
Installment total = $70 + 18 × $30 = $610. Difference = $610 − $570 = $40.
10. A laptop has a cash price of $655, or can be bought with a $110 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$55
Installment total = $110 + 12 × $50 = $710. Difference = $710 − $655 = $55.
11. A laptop has a cash price of $1815, or can be bought with a $150 deposit plus 24 monthly payments of $70. How much more does the installment plan cost than the cash price?
$15
Installment total = $150 + 24 × $70 = $1830. Difference = $1830 − $1815 = $15.
12. A laptop has a cash price of $1640, or can be bought with a $100 deposit plus 24 monthly payments of $65. How much more does the installment plan cost than the cash price?
$20
Installment total = $100 + 24 × $65 = $1660. Difference = $1660 − $1640 = $20.

12 questions · Seed 51 · Age guidance, not curriculum certification