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 $450, or can be bought with a $100 deposit plus 12 monthly payments of $30. How much more does the installment plan cost than the cash price?
$450 · $100 · 12 m · $30 · Deposit & monthly instalme…
2. A laptop has a cash price of $1270, or can be bought with a $130 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?
$1270 · $130 · 18 m · $65 · Deposit & monthly instalme…
3. A laptop has a cash price of $500, or can be bought with a $140 deposit plus 9 monthly payments of $45. How much more does the installment plan cost than the cash price?
$500 · $140 · 9 m · $45 · Deposit & monthly instalme…
4. A laptop has a cash price of $400, or can be bought with a $140 deposit plus 9 monthly payments of $30. How much more does the installment plan cost than the cash price?
$400 · $140 · 9 m · $30 · Deposit & monthly instalme…
5. A laptop has a cash price of $460, or can be bought with a $120 deposit plus 9 monthly payments of $40. How much more does the installment plan cost than the cash price?
$460 · $120 · 9 m · $40 · Deposit & monthly instalme…
6. A laptop has a cash price of $840, or can be bought with a $110 deposit plus 12 monthly payments of $65. How much more does the installment plan cost than the cash price?
$840 · $110 · 12 m · $65 · Deposit & monthly instalme…
7. A laptop has a cash price of $660, or can be bought with a $70 deposit plus 18 monthly payments of $35. How much more does the installment plan cost than the cash price?
$660 · $70 · 18 m · $35 · Deposit & monthly instalme…
8. A laptop has a cash price of $1120, or can be bought with a $150 deposit plus 18 monthly payments of $55. How much more does the installment plan cost than the cash price?
$1120 · $150 · 18 m · $55 · Deposit & monthly instalme…
9. A laptop has a cash price of $710, or can be bought with a $50 deposit plus 12 monthly payments of $60. How much more does the installment plan cost than the cash price?
$710 · $50 · 12 m · $60 · Deposit & monthly instalme…
10. A laptop has a cash price of $90, or can be bought with a $20 deposit plus 6 monthly payments of $15. How much more does the installment plan cost than the cash price?
$90 · $20 · 6 m · $15 · Deposit & monthly instalme…
11. A laptop has a cash price of $480, or can be bought with a $140 deposit plus 6 monthly payments of $65. How much more does the installment plan cost than the cash price?
$480 · $140 · 6 m · $65 · Deposit & monthly instalme…
12. A laptop has a cash price of $180, or can be bought with a $120 deposit plus 6 monthly payments of $20. How much more does the installment plan cost than the cash price?
$180 · $120 · 6 m · $20 · Deposit & monthly instalme…

12 questions · Seed 53 · 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 $450, or can be bought with a $100 deposit plus 12 monthly payments of $30. How much more does the installment plan cost than the cash price?
$10
Installment total = $100 + 12 × $30 = $460. Difference = $460 − $450 = $10.
2. A laptop has a cash price of $1270, or can be bought with a $130 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?
$30
Installment total = $130 + 18 × $65 = $1300. Difference = $1300 − $1270 = $30.
3. A laptop has a cash price of $500, or can be bought with a $140 deposit plus 9 monthly payments of $45. How much more does the installment plan cost than the cash price?
$45
Installment total = $140 + 9 × $45 = $545. Difference = $545 − $500 = $45.
4. A laptop has a cash price of $400, or can be bought with a $140 deposit plus 9 monthly payments of $30. How much more does the installment plan cost than the cash price?
$10
Installment total = $140 + 9 × $30 = $410. Difference = $410 − $400 = $10.
5. A laptop has a cash price of $460, or can be bought with a $120 deposit plus 9 monthly payments of $40. How much more does the installment plan cost than the cash price?
$20
Installment total = $120 + 9 × $40 = $480. Difference = $480 − $460 = $20.
6. A laptop has a cash price of $840, or can be bought with a $110 deposit plus 12 monthly payments of $65. How much more does the installment plan cost than the cash price?
$50
Installment total = $110 + 12 × $65 = $890. Difference = $890 − $840 = $50.
7. A laptop has a cash price of $660, or can be bought with a $70 deposit plus 18 monthly payments of $35. How much more does the installment plan cost than the cash price?
$40
Installment total = $70 + 18 × $35 = $700. Difference = $700 − $660 = $40.
8. A laptop has a cash price of $1120, or can be bought with a $150 deposit plus 18 monthly payments of $55. How much more does the installment plan cost than the cash price?
$20
Installment total = $150 + 18 × $55 = $1140. Difference = $1140 − $1120 = $20.
9. A laptop has a cash price of $710, or can be bought with a $50 deposit plus 12 monthly payments of $60. How much more does the installment plan cost than the cash price?
$60
Installment total = $50 + 12 × $60 = $770. Difference = $770 − $710 = $60.
10. A laptop has a cash price of $90, or can be bought with a $20 deposit plus 6 monthly payments of $15. How much more does the installment plan cost than the cash price?
$20
Installment total = $20 + 6 × $15 = $110. Difference = $110 − $90 = $20.
11. A laptop has a cash price of $480, or can be bought with a $140 deposit plus 6 monthly payments of $65. How much more does the installment plan cost than the cash price?
$50
Installment total = $140 + 6 × $65 = $530. Difference = $530 − $480 = $50.
12. A laptop has a cash price of $180, or can be bought with a $120 deposit plus 6 monthly payments of $20. How much more does the installment plan cost than the cash price?
$60
Installment total = $120 + 6 × $20 = $240. Difference = $240 − $180 = $60.

12 questions · Seed 53 · 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 $450, or can be bought with a $100 deposit plus 12 monthly payments of $30. How much more does the installment plan cost than the cash price?
$450 · $100 · 12 m · $30 · Deposit & monthly instalme…
2. A laptop has a cash price of $1270, or can be bought with a $130 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?
$1270 · $130 · 18 m · $65 · Deposit & monthly instalme…
3. A laptop has a cash price of $500, or can be bought with a $140 deposit plus 9 monthly payments of $45. How much more does the installment plan cost than the cash price?
$500 · $140 · 9 m · $45 · Deposit & monthly instalme…
4. A laptop has a cash price of $400, or can be bought with a $140 deposit plus 9 monthly payments of $30. How much more does the installment plan cost than the cash price?
$400 · $140 · 9 m · $30 · Deposit & monthly instalme…
5. A laptop has a cash price of $460, or can be bought with a $120 deposit plus 9 monthly payments of $40. How much more does the installment plan cost than the cash price?
$460 · $120 · 9 m · $40 · Deposit & monthly instalme…
6. A laptop has a cash price of $840, or can be bought with a $110 deposit plus 12 monthly payments of $65. How much more does the installment plan cost than the cash price?
$840 · $110 · 12 m · $65 · Deposit & monthly instalme…
7. A laptop has a cash price of $660, or can be bought with a $70 deposit plus 18 monthly payments of $35. How much more does the installment plan cost than the cash price?
$660 · $70 · 18 m · $35 · Deposit & monthly instalme…
8. A laptop has a cash price of $1120, or can be bought with a $150 deposit plus 18 monthly payments of $55. How much more does the installment plan cost than the cash price?
$1120 · $150 · 18 m · $55 · Deposit & monthly instalme…
9. A laptop has a cash price of $710, or can be bought with a $50 deposit plus 12 monthly payments of $60. How much more does the installment plan cost than the cash price?
$710 · $50 · 12 m · $60 · Deposit & monthly instalme…
10. A laptop has a cash price of $90, or can be bought with a $20 deposit plus 6 monthly payments of $15. How much more does the installment plan cost than the cash price?
$90 · $20 · 6 m · $15 · Deposit & monthly instalme…
11. A laptop has a cash price of $480, or can be bought with a $140 deposit plus 6 monthly payments of $65. How much more does the installment plan cost than the cash price?
$480 · $140 · 6 m · $65 · Deposit & monthly instalme…
12. A laptop has a cash price of $180, or can be bought with a $120 deposit plus 6 monthly payments of $20. How much more does the installment plan cost than the cash price?
$180 · $120 · 6 m · $20 · Deposit & monthly instalme…

12 questions · Seed 53 · 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 $450, or can be bought with a $100 deposit plus 12 monthly payments of $30. How much more does the installment plan cost than the cash price?
$10
Installment total = $100 + 12 × $30 = $460. Difference = $460 − $450 = $10.
2. A laptop has a cash price of $1270, or can be bought with a $130 deposit plus 18 monthly payments of $65. How much more does the installment plan cost than the cash price?
$30
Installment total = $130 + 18 × $65 = $1300. Difference = $1300 − $1270 = $30.
3. A laptop has a cash price of $500, or can be bought with a $140 deposit plus 9 monthly payments of $45. How much more does the installment plan cost than the cash price?
$45
Installment total = $140 + 9 × $45 = $545. Difference = $545 − $500 = $45.
4. A laptop has a cash price of $400, or can be bought with a $140 deposit plus 9 monthly payments of $30. How much more does the installment plan cost than the cash price?
$10
Installment total = $140 + 9 × $30 = $410. Difference = $410 − $400 = $10.
5. A laptop has a cash price of $460, or can be bought with a $120 deposit plus 9 monthly payments of $40. How much more does the installment plan cost than the cash price?
$20
Installment total = $120 + 9 × $40 = $480. Difference = $480 − $460 = $20.
6. A laptop has a cash price of $840, or can be bought with a $110 deposit plus 12 monthly payments of $65. How much more does the installment plan cost than the cash price?
$50
Installment total = $110 + 12 × $65 = $890. Difference = $890 − $840 = $50.
7. A laptop has a cash price of $660, or can be bought with a $70 deposit plus 18 monthly payments of $35. How much more does the installment plan cost than the cash price?
$40
Installment total = $70 + 18 × $35 = $700. Difference = $700 − $660 = $40.
8. A laptop has a cash price of $1120, or can be bought with a $150 deposit plus 18 monthly payments of $55. How much more does the installment plan cost than the cash price?
$20
Installment total = $150 + 18 × $55 = $1140. Difference = $1140 − $1120 = $20.
9. A laptop has a cash price of $710, or can be bought with a $50 deposit plus 12 monthly payments of $60. How much more does the installment plan cost than the cash price?
$60
Installment total = $50 + 12 × $60 = $770. Difference = $770 − $710 = $60.
10. A laptop has a cash price of $90, or can be bought with a $20 deposit plus 6 monthly payments of $15. How much more does the installment plan cost than the cash price?
$20
Installment total = $20 + 6 × $15 = $110. Difference = $110 − $90 = $20.
11. A laptop has a cash price of $480, or can be bought with a $140 deposit plus 6 monthly payments of $65. How much more does the installment plan cost than the cash price?
$50
Installment total = $140 + 6 × $65 = $530. Difference = $530 − $480 = $50.
12. A laptop has a cash price of $180, or can be bought with a $120 deposit plus 6 monthly payments of $20. How much more does the installment plan cost than the cash price?
$60
Installment total = $120 + 6 × $20 = $240. Difference = $240 − $180 = $60.

12 questions · Seed 53 · Age guidance, not curriculum certification