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 $1865, or can be bought with a $120 deposit plus 24 monthly payments of $75. How much more does the installment plan cost than the cash price?
$1865 · $120 · 24 m · $75 · Deposit & monthly instalme…
2. A laptop has a cash price of $1140, or can be bought with a $110 deposit plus 24 monthly payments of $45. How much more does the installment plan cost than the cash price?
$1140 · $110 · 24 m · $45 · Deposit & monthly instalme…
3. A laptop has a cash price of $475, or can be bought with a $30 deposit plus 24 monthly payments of $20. How much more does the installment plan cost than the cash price?
$475 · $30 · 24 m · $20 · Deposit & monthly instalme…
4. A laptop has a cash price of $360, or can be bought with a $30 deposit plus 9 monthly payments of $40. How much more does the installment plan cost than the cash price?
$360 · $30 · 9 m · $40 · Deposit & monthly instalme…
5. A laptop has a cash price of $395, or can be bought with a $140 deposit plus 12 monthly payments of $25. How much more does the installment plan cost than the cash price?
$395 · $140 · 12 m · $25 · Deposit & monthly instalme…
6. A laptop has a cash price of $165, or can be bought with a $20 deposit plus 6 monthly payments of $30. How much more does the installment plan cost than the cash price?
$165 · $20 · 6 m · $30 · Deposit & monthly instalme…
7. A laptop has a cash price of $100, or can be bought with a $20 deposit plus 9 monthly payments of $15. How much more does the installment plan cost than the cash price?
$100 · $20 · 9 m · $15 · Deposit & monthly instalme…
8. A laptop has a cash price of $650, or can be bought with a $130 deposit plus 12 monthly payments of $45. How much more does the installment plan cost than the cash price?
$650 · $130 · 12 m · $45 · Deposit & monthly instalme…
9. A laptop has a cash price of $360, 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?
$360 · $140 · 6 m · $40 · Deposit & monthly instalme…
10. A laptop has a cash price of $445, or can be bought with a $100 deposit plus 6 monthly payments of $60. How much more does the installment plan cost than the cash price?
$445 · $100 · 6 m · $60 · Deposit & monthly instalme…
11. A laptop has a cash price of $440, or can be bought with a $140 deposit plus 9 monthly payments of $35. How much more does the installment plan cost than the cash price?
$440 · $140 · 9 m · $35 · Deposit & monthly instalme…
12. A laptop has a cash price of $135, or can be bought with a $50 deposit plus 6 monthly payments of $20. How much more does the installment plan cost than the cash price?
$135 · $50 · 6 m · $20 · Deposit & monthly instalme…

12 questions · Seed 42 · 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 $1865, or can be bought with a $120 deposit plus 24 monthly payments of $75. How much more does the installment plan cost than the cash price?
$55
Installment total = $120 + 24 × $75 = $1920. Difference = $1920 − $1865 = $55.
2. A laptop has a cash price of $1140, or can be bought with a $110 deposit plus 24 monthly payments of $45. How much more does the installment plan cost than the cash price?
$50
Installment total = $110 + 24 × $45 = $1190. Difference = $1190 − $1140 = $50.
3. A laptop has a cash price of $475, or can be bought with a $30 deposit plus 24 monthly payments of $20. How much more does the installment plan cost than the cash price?
$35
Installment total = $30 + 24 × $20 = $510. Difference = $510 − $475 = $35.
4. A laptop has a cash price of $360, or can be bought with a $30 deposit plus 9 monthly payments of $40. How much more does the installment plan cost than the cash price?
$30
Installment total = $30 + 9 × $40 = $390. Difference = $390 − $360 = $30.
5. A laptop has a cash price of $395, or can be bought with a $140 deposit plus 12 monthly payments of $25. How much more does the installment plan cost than the cash price?
$45
Installment total = $140 + 12 × $25 = $440. Difference = $440 − $395 = $45.
6. A laptop has a cash price of $165, or can be bought with a $20 deposit plus 6 monthly payments of $30. How much more does the installment plan cost than the cash price?
$35
Installment total = $20 + 6 × $30 = $200. Difference = $200 − $165 = $35.
7. A laptop has a cash price of $100, or can be bought with a $20 deposit plus 9 monthly payments of $15. How much more does the installment plan cost than the cash price?
$55
Installment total = $20 + 9 × $15 = $155. Difference = $155 − $100 = $55.
8. A laptop has a cash price of $650, or can be bought with a $130 deposit plus 12 monthly payments of $45. How much more does the installment plan cost than the cash price?
$20
Installment total = $130 + 12 × $45 = $670. Difference = $670 − $650 = $20.
9. A laptop has a cash price of $360, 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?
$20
Installment total = $140 + 6 × $40 = $380. Difference = $380 − $360 = $20.
10. A laptop has a cash price of $445, or can be bought with a $100 deposit plus 6 monthly payments of $60. How much more does the installment plan cost than the cash price?
$15
Installment total = $100 + 6 × $60 = $460. Difference = $460 − $445 = $15.
11. A laptop has a cash price of $440, or can be bought with a $140 deposit plus 9 monthly payments of $35. How much more does the installment plan cost than the cash price?
$15
Installment total = $140 + 9 × $35 = $455. Difference = $455 − $440 = $15.
12. A laptop has a cash price of $135, or can be bought with a $50 deposit plus 6 monthly payments of $20. How much more does the installment plan cost than the cash price?
$35
Installment total = $50 + 6 × $20 = $170. Difference = $170 − $135 = $35.

12 questions · Seed 42 · 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 $1865, or can be bought with a $120 deposit plus 24 monthly payments of $75. How much more does the installment plan cost than the cash price?
$1865 · $120 · 24 m · $75 · Deposit & monthly instalme…
2. A laptop has a cash price of $1140, or can be bought with a $110 deposit plus 24 monthly payments of $45. How much more does the installment plan cost than the cash price?
$1140 · $110 · 24 m · $45 · Deposit & monthly instalme…
3. A laptop has a cash price of $475, or can be bought with a $30 deposit plus 24 monthly payments of $20. How much more does the installment plan cost than the cash price?
$475 · $30 · 24 m · $20 · Deposit & monthly instalme…
4. A laptop has a cash price of $360, or can be bought with a $30 deposit plus 9 monthly payments of $40. How much more does the installment plan cost than the cash price?
$360 · $30 · 9 m · $40 · Deposit & monthly instalme…
5. A laptop has a cash price of $395, or can be bought with a $140 deposit plus 12 monthly payments of $25. How much more does the installment plan cost than the cash price?
$395 · $140 · 12 m · $25 · Deposit & monthly instalme…
6. A laptop has a cash price of $165, or can be bought with a $20 deposit plus 6 monthly payments of $30. How much more does the installment plan cost than the cash price?
$165 · $20 · 6 m · $30 · Deposit & monthly instalme…
7. A laptop has a cash price of $100, or can be bought with a $20 deposit plus 9 monthly payments of $15. How much more does the installment plan cost than the cash price?
$100 · $20 · 9 m · $15 · Deposit & monthly instalme…
8. A laptop has a cash price of $650, or can be bought with a $130 deposit plus 12 monthly payments of $45. How much more does the installment plan cost than the cash price?
$650 · $130 · 12 m · $45 · Deposit & monthly instalme…
9. A laptop has a cash price of $360, 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?
$360 · $140 · 6 m · $40 · Deposit & monthly instalme…
10. A laptop has a cash price of $445, or can be bought with a $100 deposit plus 6 monthly payments of $60. How much more does the installment plan cost than the cash price?
$445 · $100 · 6 m · $60 · Deposit & monthly instalme…
11. A laptop has a cash price of $440, or can be bought with a $140 deposit plus 9 monthly payments of $35. How much more does the installment plan cost than the cash price?
$440 · $140 · 9 m · $35 · Deposit & monthly instalme…
12. A laptop has a cash price of $135, or can be bought with a $50 deposit plus 6 monthly payments of $20. How much more does the installment plan cost than the cash price?
$135 · $50 · 6 m · $20 · Deposit & monthly instalme…

12 questions · Seed 42 · 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 $1865, or can be bought with a $120 deposit plus 24 monthly payments of $75. How much more does the installment plan cost than the cash price?
$55
Installment total = $120 + 24 × $75 = $1920. Difference = $1920 − $1865 = $55.
2. A laptop has a cash price of $1140, or can be bought with a $110 deposit plus 24 monthly payments of $45. How much more does the installment plan cost than the cash price?
$50
Installment total = $110 + 24 × $45 = $1190. Difference = $1190 − $1140 = $50.
3. A laptop has a cash price of $475, or can be bought with a $30 deposit plus 24 monthly payments of $20. How much more does the installment plan cost than the cash price?
$35
Installment total = $30 + 24 × $20 = $510. Difference = $510 − $475 = $35.
4. A laptop has a cash price of $360, or can be bought with a $30 deposit plus 9 monthly payments of $40. How much more does the installment plan cost than the cash price?
$30
Installment total = $30 + 9 × $40 = $390. Difference = $390 − $360 = $30.
5. A laptop has a cash price of $395, or can be bought with a $140 deposit plus 12 monthly payments of $25. How much more does the installment plan cost than the cash price?
$45
Installment total = $140 + 12 × $25 = $440. Difference = $440 − $395 = $45.
6. A laptop has a cash price of $165, or can be bought with a $20 deposit plus 6 monthly payments of $30. How much more does the installment plan cost than the cash price?
$35
Installment total = $20 + 6 × $30 = $200. Difference = $200 − $165 = $35.
7. A laptop has a cash price of $100, or can be bought with a $20 deposit plus 9 monthly payments of $15. How much more does the installment plan cost than the cash price?
$55
Installment total = $20 + 9 × $15 = $155. Difference = $155 − $100 = $55.
8. A laptop has a cash price of $650, or can be bought with a $130 deposit plus 12 monthly payments of $45. How much more does the installment plan cost than the cash price?
$20
Installment total = $130 + 12 × $45 = $670. Difference = $670 − $650 = $20.
9. A laptop has a cash price of $360, 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?
$20
Installment total = $140 + 6 × $40 = $380. Difference = $380 − $360 = $20.
10. A laptop has a cash price of $445, or can be bought with a $100 deposit plus 6 monthly payments of $60. How much more does the installment plan cost than the cash price?
$15
Installment total = $100 + 6 × $60 = $460. Difference = $460 − $445 = $15.
11. A laptop has a cash price of $440, or can be bought with a $140 deposit plus 9 monthly payments of $35. How much more does the installment plan cost than the cash price?
$15
Installment total = $140 + 9 × $35 = $455. Difference = $455 − $440 = $15.
12. A laptop has a cash price of $135, or can be bought with a $50 deposit plus 6 monthly payments of $20. How much more does the installment plan cost than the cash price?
$35
Installment total = $50 + 6 × $20 = $170. Difference = $170 − $135 = $35.

12 questions · Seed 42 · Age guidance, not curriculum certification