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 $520, or can be bought with a $40 deposit plus 18 monthly payments of $30. How much more does the installment plan cost than the cash price?
$520 · $40 · 18 m · $30 · Deposit & monthly instalme…
2. A laptop has a cash price of $230, or can be bought with a $60 deposit plus 12 monthly payments of $15. How much more does the installment plan cost than the cash price?
$230 · $60 · 12 m · $15 · Deposit & monthly instalme…
3. A laptop has a cash price of $495, or can be bought with a $70 deposit plus 9 monthly payments of $50. How much more does the installment plan cost than the cash price?
$495 · $70 · 9 m · $50 · Deposit & monthly instalme…
4. A laptop has a cash price of $570, or can be bought with a $150 deposit plus 12 monthly payments of $40. How much more does the installment plan cost than the cash price?
$570 · $150 · 12 m · $40 · Deposit & monthly instalme…
5. A laptop has a cash price of $700, or can be bought with a $150 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$700 · $150 · 12 m · $50 · Deposit & monthly instalme…
6. A laptop has a cash price of $375, or can be bought with a $50 deposit plus 12 monthly payments of $30. How much more does the installment plan cost than the cash price?
$375 · $50 · 12 m · $30 · Deposit & monthly instalme…
7. A laptop has a cash price of $630, 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?
$630 · $60 · 12 m · $50 · Deposit & monthly instalme…
8. A laptop has a cash price of $505, or can be bought with a $130 deposit plus 6 monthly payments of $70. How much more does the installment plan cost than the cash price?
$505 · $130 · 6 m · $70 · Deposit & monthly instalme…
9. A laptop has a cash price of $420, or can be bought with a $150 deposit plus 6 monthly payments of $50. How much more does the installment plan cost than the cash price?
$420 · $150 · 6 m · $50 · Deposit & monthly instalme…
10. A laptop has a cash price of $695, 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?
$695 · $90 · 12 m · $55 · Deposit & monthly instalme…
11. A laptop has a cash price of $680, or can be bought with a $150 deposit plus 18 monthly payments of $30. How much more does the installment plan cost than the cash price?
$680 · $150 · 18 m · $30 · Deposit & monthly instalme…
12. A laptop has a cash price of $1250, or can be bought with a $120 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?
$1250 · $120 · 18 m · $65 · Deposit & monthly instalme…

12 questions · Seed 54 · 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 $520, or can be bought with a $40 deposit plus 18 monthly payments of $30. How much more does the installment plan cost than the cash price?
$60
Installment total = $40 + 18 × $30 = $580. Difference = $580 − $520 = $60.
2. A laptop has a cash price of $230, or can be bought with a $60 deposit plus 12 monthly payments of $15. How much more does the installment plan cost than the cash price?
$10
Installment total = $60 + 12 × $15 = $240. Difference = $240 − $230 = $10.
3. A laptop has a cash price of $495, or can be bought with a $70 deposit plus 9 monthly payments of $50. How much more does the installment plan cost than the cash price?
$25
Installment total = $70 + 9 × $50 = $520. Difference = $520 − $495 = $25.
4. A laptop has a cash price of $570, or can be bought with a $150 deposit plus 12 monthly payments of $40. How much more does the installment plan cost than the cash price?
$60
Installment total = $150 + 12 × $40 = $630. Difference = $630 − $570 = $60.
5. A laptop has a cash price of $700, or can be bought with a $150 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$50
Installment total = $150 + 12 × $50 = $750. Difference = $750 − $700 = $50.
6. A laptop has a cash price of $375, or can be bought with a $50 deposit plus 12 monthly payments of $30. How much more does the installment plan cost than the cash price?
$35
Installment total = $50 + 12 × $30 = $410. Difference = $410 − $375 = $35.
7. A laptop has a cash price of $630, 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?
$30
Installment total = $60 + 12 × $50 = $660. Difference = $660 − $630 = $30.
8. A laptop has a cash price of $505, or can be bought with a $130 deposit plus 6 monthly payments of $70. How much more does the installment plan cost than the cash price?
$45
Installment total = $130 + 6 × $70 = $550. Difference = $550 − $505 = $45.
9. A laptop has a cash price of $420, or can be bought with a $150 deposit plus 6 monthly payments of $50. How much more does the installment plan cost than the cash price?
$30
Installment total = $150 + 6 × $50 = $450. Difference = $450 − $420 = $30.
10. A laptop has a cash price of $695, 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?
$55
Installment total = $90 + 12 × $55 = $750. Difference = $750 − $695 = $55.
11. A laptop has a cash price of $680, or can be bought with a $150 deposit plus 18 monthly payments of $30. How much more does the installment plan cost than the cash price?
$10
Installment total = $150 + 18 × $30 = $690. Difference = $690 − $680 = $10.
12. A laptop has a cash price of $1250, or can be bought with a $120 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?
$40
Installment total = $120 + 18 × $65 = $1290. Difference = $1290 − $1250 = $40.

12 questions · Seed 54 · 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 $520, or can be bought with a $40 deposit plus 18 monthly payments of $30. How much more does the installment plan cost than the cash price?
$520 · $40 · 18 m · $30 · Deposit & monthly instalme…
2. A laptop has a cash price of $230, or can be bought with a $60 deposit plus 12 monthly payments of $15. How much more does the installment plan cost than the cash price?
$230 · $60 · 12 m · $15 · Deposit & monthly instalme…
3. A laptop has a cash price of $495, or can be bought with a $70 deposit plus 9 monthly payments of $50. How much more does the installment plan cost than the cash price?
$495 · $70 · 9 m · $50 · Deposit & monthly instalme…
4. A laptop has a cash price of $570, or can be bought with a $150 deposit plus 12 monthly payments of $40. How much more does the installment plan cost than the cash price?
$570 · $150 · 12 m · $40 · Deposit & monthly instalme…
5. A laptop has a cash price of $700, or can be bought with a $150 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$700 · $150 · 12 m · $50 · Deposit & monthly instalme…
6. A laptop has a cash price of $375, or can be bought with a $50 deposit plus 12 monthly payments of $30. How much more does the installment plan cost than the cash price?
$375 · $50 · 12 m · $30 · Deposit & monthly instalme…
7. A laptop has a cash price of $630, 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?
$630 · $60 · 12 m · $50 · Deposit & monthly instalme…
8. A laptop has a cash price of $505, or can be bought with a $130 deposit plus 6 monthly payments of $70. How much more does the installment plan cost than the cash price?
$505 · $130 · 6 m · $70 · Deposit & monthly instalme…
9. A laptop has a cash price of $420, or can be bought with a $150 deposit plus 6 monthly payments of $50. How much more does the installment plan cost than the cash price?
$420 · $150 · 6 m · $50 · Deposit & monthly instalme…
10. A laptop has a cash price of $695, 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?
$695 · $90 · 12 m · $55 · Deposit & monthly instalme…
11. A laptop has a cash price of $680, or can be bought with a $150 deposit plus 18 monthly payments of $30. How much more does the installment plan cost than the cash price?
$680 · $150 · 18 m · $30 · Deposit & monthly instalme…
12. A laptop has a cash price of $1250, or can be bought with a $120 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?
$1250 · $120 · 18 m · $65 · Deposit & monthly instalme…

12 questions · Seed 54 · 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 $520, or can be bought with a $40 deposit plus 18 monthly payments of $30. How much more does the installment plan cost than the cash price?
$60
Installment total = $40 + 18 × $30 = $580. Difference = $580 − $520 = $60.
2. A laptop has a cash price of $230, or can be bought with a $60 deposit plus 12 monthly payments of $15. How much more does the installment plan cost than the cash price?
$10
Installment total = $60 + 12 × $15 = $240. Difference = $240 − $230 = $10.
3. A laptop has a cash price of $495, or can be bought with a $70 deposit plus 9 monthly payments of $50. How much more does the installment plan cost than the cash price?
$25
Installment total = $70 + 9 × $50 = $520. Difference = $520 − $495 = $25.
4. A laptop has a cash price of $570, or can be bought with a $150 deposit plus 12 monthly payments of $40. How much more does the installment plan cost than the cash price?
$60
Installment total = $150 + 12 × $40 = $630. Difference = $630 − $570 = $60.
5. A laptop has a cash price of $700, or can be bought with a $150 deposit plus 12 monthly payments of $50. How much more does the installment plan cost than the cash price?
$50
Installment total = $150 + 12 × $50 = $750. Difference = $750 − $700 = $50.
6. A laptop has a cash price of $375, or can be bought with a $50 deposit plus 12 monthly payments of $30. How much more does the installment plan cost than the cash price?
$35
Installment total = $50 + 12 × $30 = $410. Difference = $410 − $375 = $35.
7. A laptop has a cash price of $630, 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?
$30
Installment total = $60 + 12 × $50 = $660. Difference = $660 − $630 = $30.
8. A laptop has a cash price of $505, or can be bought with a $130 deposit plus 6 monthly payments of $70. How much more does the installment plan cost than the cash price?
$45
Installment total = $130 + 6 × $70 = $550. Difference = $550 − $505 = $45.
9. A laptop has a cash price of $420, or can be bought with a $150 deposit plus 6 monthly payments of $50. How much more does the installment plan cost than the cash price?
$30
Installment total = $150 + 6 × $50 = $450. Difference = $450 − $420 = $30.
10. A laptop has a cash price of $695, 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?
$55
Installment total = $90 + 12 × $55 = $750. Difference = $750 − $695 = $55.
11. A laptop has a cash price of $680, or can be bought with a $150 deposit plus 18 monthly payments of $30. How much more does the installment plan cost than the cash price?
$10
Installment total = $150 + 18 × $30 = $690. Difference = $690 − $680 = $10.
12. A laptop has a cash price of $1250, or can be bought with a $120 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?
$40
Installment total = $120 + 18 × $65 = $1290. Difference = $1290 − $1250 = $40.

12 questions · Seed 54 · Age guidance, not curriculum certification