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. A laptop has a cash price of $1375, or can be bought with a $140 deposit plus 18 monthly payments of $70. How much more does the installment plan cost than the cash price?
$1375 · $140 · 18 m · $70 · Deposit & monthly instalme…
2. A laptop has a cash price of $320, or can be bought with a $140 deposit plus 6 monthly payments of $40. How much more does the installment plan cost than the cash price?
$320 · $140 · 6 m · $40 · Deposit & monthly instalme…
3. A laptop has a cash price of $1530, or can be bought with a $20 deposit plus 24 monthly payments of $65. How much more does the installment plan cost than the cash price?
$1530 · $20 · 24 m · $65 · Deposit & monthly instalme…
4. A laptop has a cash price of $410, or can be bought with a $120 deposit plus 6 monthly payments of $50. How much more does the installment plan cost than the cash price?
$410 · $120 · 6 m · $50 · Deposit & monthly instalme…
5. A laptop has a cash price of $385, or can be bought with a $60 deposit plus 6 monthly payments of $60. How much more does the installment plan cost than the cash price?
$385 · $60 · 6 m · $60 · Deposit & monthly instalme…
6. A laptop has a cash price of $1345, or can be bought with a $50 deposit plus 18 monthly payments of $75. How much more does the installment plan cost than the cash price?
$1345 · $50 · 18 m · $75 · Deposit & monthly instalme…
7. A laptop has a cash price of $290, or can be bought with a $30 deposit plus 9 monthly payments of $30. How much more does the installment plan cost than the cash price?
$290 · $30 · 9 m · $30 · Deposit & monthly instalme…
8. A laptop has a cash price of $560, or can be bought with a $130 deposit plus 18 monthly payments of $25. How much more does the installment plan cost than the cash price?
$560 · $130 · 18 m · $25 · Deposit & monthly instalme…
9. A laptop has a cash price of $1410, or can be bought with a $100 deposit plus 18 monthly payments of $75. How much more does the installment plan cost than the cash price?
$1410 · $100 · 18 m · $75 · Deposit & monthly instalme…
10. A laptop has a cash price of $580, or can be bought with a $110 deposit plus 12 monthly payments of $40. How much more does the installment plan cost than the cash price?
$580 · $110 · 12 m · $40 · Deposit & monthly instalme…
11. A laptop has a cash price of $1165, or can be bought with a $30 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?
$1165 · $30 · 18 m · $65 · Deposit & monthly instalme…
12. A laptop has a cash price of $890, or can be bought with a $100 deposit plus 24 monthly payments of $35. How much more does the installment plan cost than the cash price?
$890 · $100 · 24 m · $35 · Deposit & monthly instalme…

12 questions · Seed 44 · 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 $1375, or can be bought with a $140 deposit plus 18 monthly payments of $70. How much more does the installment plan cost than the cash price?
$25
Installment total = $140 + 18 × $70 = $1400. Difference = $1400 − $1375 = $25.
2. A laptop has a cash price of $320, or can be bought with a $140 deposit plus 6 monthly payments of $40. How much more does the installment plan cost than the cash price?
$60
Installment total = $140 + 6 × $40 = $380. Difference = $380 − $320 = $60.
3. A laptop has a cash price of $1530, or can be bought with a $20 deposit plus 24 monthly payments of $65. How much more does the installment plan cost than the cash price?
$50
Installment total = $20 + 24 × $65 = $1580. Difference = $1580 − $1530 = $50.
4. A laptop has a cash price of $410, or can be bought with a $120 deposit plus 6 monthly payments of $50. How much more does the installment plan cost than the cash price?
$10
Installment total = $120 + 6 × $50 = $420. Difference = $420 − $410 = $10.
5. A laptop has a cash price of $385, or can be bought with a $60 deposit plus 6 monthly payments of $60. How much more does the installment plan cost than the cash price?
$35
Installment total = $60 + 6 × $60 = $420. Difference = $420 − $385 = $35.
6. A laptop has a cash price of $1345, or can be bought with a $50 deposit plus 18 monthly payments of $75. How much more does the installment plan cost than the cash price?
$55
Installment total = $50 + 18 × $75 = $1400. Difference = $1400 − $1345 = $55.
7. A laptop has a cash price of $290, or can be bought with a $30 deposit plus 9 monthly payments of $30. How much more does the installment plan cost than the cash price?
$10
Installment total = $30 + 9 × $30 = $300. Difference = $300 − $290 = $10.
8. A laptop has a cash price of $560, or can be bought with a $130 deposit plus 18 monthly payments of $25. How much more does the installment plan cost than the cash price?
$20
Installment total = $130 + 18 × $25 = $580. Difference = $580 − $560 = $20.
9. A laptop has a cash price of $1410, or can be bought with a $100 deposit plus 18 monthly payments of $75. How much more does the installment plan cost than the cash price?
$40
Installment total = $100 + 18 × $75 = $1450. Difference = $1450 − $1410 = $40.
10. A laptop has a cash price of $580, or can be bought with a $110 deposit plus 12 monthly payments of $40. How much more does the installment plan cost than the cash price?
$10
Installment total = $110 + 12 × $40 = $590. Difference = $590 − $580 = $10.
11. A laptop has a cash price of $1165, or can be bought with a $30 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?
$35
Installment total = $30 + 18 × $65 = $1200. Difference = $1200 − $1165 = $35.
12. A laptop has a cash price of $890, or can be bought with a $100 deposit plus 24 monthly payments of $35. How much more does the installment plan cost than the cash price?
$50
Installment total = $100 + 24 × $35 = $940. Difference = $940 − $890 = $50.

12 questions · Seed 44 · 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 $1375, or can be bought with a $140 deposit plus 18 monthly payments of $70. How much more does the installment plan cost than the cash price?
$1375 · $140 · 18 m · $70 · Deposit & monthly instalme…
2. A laptop has a cash price of $320, or can be bought with a $140 deposit plus 6 monthly payments of $40. How much more does the installment plan cost than the cash price?
$320 · $140 · 6 m · $40 · Deposit & monthly instalme…
3. A laptop has a cash price of $1530, or can be bought with a $20 deposit plus 24 monthly payments of $65. How much more does the installment plan cost than the cash price?
$1530 · $20 · 24 m · $65 · Deposit & monthly instalme…
4. A laptop has a cash price of $410, or can be bought with a $120 deposit plus 6 monthly payments of $50. How much more does the installment plan cost than the cash price?
$410 · $120 · 6 m · $50 · Deposit & monthly instalme…
5. A laptop has a cash price of $385, or can be bought with a $60 deposit plus 6 monthly payments of $60. How much more does the installment plan cost than the cash price?
$385 · $60 · 6 m · $60 · Deposit & monthly instalme…
6. A laptop has a cash price of $1345, or can be bought with a $50 deposit plus 18 monthly payments of $75. How much more does the installment plan cost than the cash price?
$1345 · $50 · 18 m · $75 · Deposit & monthly instalme…
7. A laptop has a cash price of $290, or can be bought with a $30 deposit plus 9 monthly payments of $30. How much more does the installment plan cost than the cash price?
$290 · $30 · 9 m · $30 · Deposit & monthly instalme…
8. A laptop has a cash price of $560, or can be bought with a $130 deposit plus 18 monthly payments of $25. How much more does the installment plan cost than the cash price?
$560 · $130 · 18 m · $25 · Deposit & monthly instalme…
9. A laptop has a cash price of $1410, or can be bought with a $100 deposit plus 18 monthly payments of $75. How much more does the installment plan cost than the cash price?
$1410 · $100 · 18 m · $75 · Deposit & monthly instalme…
10. A laptop has a cash price of $580, or can be bought with a $110 deposit plus 12 monthly payments of $40. How much more does the installment plan cost than the cash price?
$580 · $110 · 12 m · $40 · Deposit & monthly instalme…
11. A laptop has a cash price of $1165, or can be bought with a $30 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?
$1165 · $30 · 18 m · $65 · Deposit & monthly instalme…
12. A laptop has a cash price of $890, or can be bought with a $100 deposit plus 24 monthly payments of $35. How much more does the installment plan cost than the cash price?
$890 · $100 · 24 m · $35 · Deposit & monthly instalme…

12 questions · Seed 44 · 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 $1375, or can be bought with a $140 deposit plus 18 monthly payments of $70. How much more does the installment plan cost than the cash price?
$25
Installment total = $140 + 18 × $70 = $1400. Difference = $1400 − $1375 = $25.
2. A laptop has a cash price of $320, or can be bought with a $140 deposit plus 6 monthly payments of $40. How much more does the installment plan cost than the cash price?
$60
Installment total = $140 + 6 × $40 = $380. Difference = $380 − $320 = $60.
3. A laptop has a cash price of $1530, or can be bought with a $20 deposit plus 24 monthly payments of $65. How much more does the installment plan cost than the cash price?
$50
Installment total = $20 + 24 × $65 = $1580. Difference = $1580 − $1530 = $50.
4. A laptop has a cash price of $410, or can be bought with a $120 deposit plus 6 monthly payments of $50. How much more does the installment plan cost than the cash price?
$10
Installment total = $120 + 6 × $50 = $420. Difference = $420 − $410 = $10.
5. A laptop has a cash price of $385, or can be bought with a $60 deposit plus 6 monthly payments of $60. How much more does the installment plan cost than the cash price?
$35
Installment total = $60 + 6 × $60 = $420. Difference = $420 − $385 = $35.
6. A laptop has a cash price of $1345, or can be bought with a $50 deposit plus 18 monthly payments of $75. How much more does the installment plan cost than the cash price?
$55
Installment total = $50 + 18 × $75 = $1400. Difference = $1400 − $1345 = $55.
7. A laptop has a cash price of $290, or can be bought with a $30 deposit plus 9 monthly payments of $30. How much more does the installment plan cost than the cash price?
$10
Installment total = $30 + 9 × $30 = $300. Difference = $300 − $290 = $10.
8. A laptop has a cash price of $560, or can be bought with a $130 deposit plus 18 monthly payments of $25. How much more does the installment plan cost than the cash price?
$20
Installment total = $130 + 18 × $25 = $580. Difference = $580 − $560 = $20.
9. A laptop has a cash price of $1410, or can be bought with a $100 deposit plus 18 monthly payments of $75. How much more does the installment plan cost than the cash price?
$40
Installment total = $100 + 18 × $75 = $1450. Difference = $1450 − $1410 = $40.
10. A laptop has a cash price of $580, or can be bought with a $110 deposit plus 12 monthly payments of $40. How much more does the installment plan cost than the cash price?
$10
Installment total = $110 + 12 × $40 = $590. Difference = $590 − $580 = $10.
11. A laptop has a cash price of $1165, or can be bought with a $30 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?
$35
Installment total = $30 + 18 × $65 = $1200. Difference = $1200 − $1165 = $35.
12. A laptop has a cash price of $890, or can be bought with a $100 deposit plus 24 monthly payments of $35. How much more does the installment plan cost than the cash price?
$50
Installment total = $100 + 24 × $35 = $940. Difference = $940 − $890 = $50.

12 questions · Seed 44 · Age guidance, not curriculum certification