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 $460, or can be bought with a $150 deposit plus 6 monthly payments of $55. How much more does the installment plan cost than the cash price?
$460 · $150 · 6 m · $55 · Deposit & monthly instalme…
2. A laptop has a cash price of $330, or can be bought with a $20 deposit plus 6 monthly payments of $55. How much more does the installment plan cost than the cash price?
$330 · $20 · 6 m · $55 · Deposit & monthly instalme…
3. A laptop has a cash price of $215, or can be bought with a $30 deposit plus 6 monthly payments of $35. How much more does the installment plan cost than the cash price?
$215 · $30 · 6 m · $35 · Deposit & monthly instalme…
4. A laptop has a cash price of $1210, or can be bought with a $150 deposit plus 18 monthly payments of $60. How much more does the installment plan cost than the cash price?
$1210 · $150 · 18 m · $60 · Deposit & monthly instalme…
5. A laptop has a cash price of $720, or can be bought with a $90 deposit plus 9 monthly payments of $75. How much more does the installment plan cost than the cash price?
$720 · $90 · 9 m · $75 · Deposit & monthly instalme…
6. A laptop has a cash price of $290, or can be bought with a $60 deposit plus 18 monthly payments of $15. How much more does the installment plan cost than the cash price?
$290 · $60 · 18 m · $15 · Deposit & monthly instalme…
7. A laptop has a cash price of $340, or can be bought with a $60 deposit plus 12 monthly payments of $25. How much more does the installment plan cost than the cash price?
$340 · $60 · 12 m · $25 · Deposit & monthly instalme…
8. A laptop has a cash price of $530, or can be bought with a $70 deposit plus 24 monthly payments of $20. How much more does the installment plan cost than the cash price?
$530 · $70 · 24 m · $20 · Deposit & monthly instalme…
9. A laptop has a cash price of $1175, or can be bought with a $110 deposit plus 18 monthly payments of $60. How much more does the installment plan cost than the cash price?
$1175 · $110 · 18 m · $60 · Deposit & monthly instalme…
10. A laptop has a cash price of $255, or can be bought with a $90 deposit plus 9 monthly payments of $25. How much more does the installment plan cost than the cash price?
$255 · $90 · 9 m · $25 · Deposit & monthly instalme…
11. A laptop has a cash price of $490, or can be bought with a $150 deposit plus 24 monthly payments of $15. How much more does the installment plan cost than the cash price?
$490 · $150 · 24 m · $15 · Deposit & monthly instalme…
12. A laptop has a cash price of $940, or can be bought with a $50 deposit plus 18 monthly payments of $50. How much more does the installment plan cost than the cash price?
$940 · $50 · 18 m · $50 · Deposit & monthly instalme…

12 questions · Seed 55 · 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 $460, or can be bought with a $150 deposit plus 6 monthly payments of $55. How much more does the installment plan cost than the cash price?
$20
Installment total = $150 + 6 × $55 = $480. Difference = $480 − $460 = $20.
2. A laptop has a cash price of $330, or can be bought with a $20 deposit plus 6 monthly payments of $55. How much more does the installment plan cost than the cash price?
$20
Installment total = $20 + 6 × $55 = $350. Difference = $350 − $330 = $20.
3. A laptop has a cash price of $215, or can be bought with a $30 deposit plus 6 monthly payments of $35. How much more does the installment plan cost than the cash price?
$25
Installment total = $30 + 6 × $35 = $240. Difference = $240 − $215 = $25.
4. A laptop has a cash price of $1210, or can be bought with a $150 deposit plus 18 monthly payments of $60. How much more does the installment plan cost than the cash price?
$20
Installment total = $150 + 18 × $60 = $1230. Difference = $1230 − $1210 = $20.
5. A laptop has a cash price of $720, or can be bought with a $90 deposit plus 9 monthly payments of $75. How much more does the installment plan cost than the cash price?
$45
Installment total = $90 + 9 × $75 = $765. Difference = $765 − $720 = $45.
6. A laptop has a cash price of $290, or can be bought with a $60 deposit plus 18 monthly payments of $15. How much more does the installment plan cost than the cash price?
$40
Installment total = $60 + 18 × $15 = $330. Difference = $330 − $290 = $40.
7. A laptop has a cash price of $340, or can be bought with a $60 deposit plus 12 monthly payments of $25. How much more does the installment plan cost than the cash price?
$20
Installment total = $60 + 12 × $25 = $360. Difference = $360 − $340 = $20.
8. A laptop has a cash price of $530, or can be bought with a $70 deposit plus 24 monthly payments of $20. How much more does the installment plan cost than the cash price?
$20
Installment total = $70 + 24 × $20 = $550. Difference = $550 − $530 = $20.
9. A laptop has a cash price of $1175, or can be bought with a $110 deposit plus 18 monthly payments of $60. How much more does the installment plan cost than the cash price?
$15
Installment total = $110 + 18 × $60 = $1190. Difference = $1190 − $1175 = $15.
10. A laptop has a cash price of $255, or can be bought with a $90 deposit plus 9 monthly payments of $25. How much more does the installment plan cost than the cash price?
$60
Installment total = $90 + 9 × $25 = $315. Difference = $315 − $255 = $60.
11. A laptop has a cash price of $490, or can be bought with a $150 deposit plus 24 monthly payments of $15. How much more does the installment plan cost than the cash price?
$20
Installment total = $150 + 24 × $15 = $510. Difference = $510 − $490 = $20.
12. A laptop has a cash price of $940, or can be bought with a $50 deposit plus 18 monthly payments of $50. How much more does the installment plan cost than the cash price?
$10
Installment total = $50 + 18 × $50 = $950. Difference = $950 − $940 = $10.

12 questions · Seed 55 · 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 $460, or can be bought with a $150 deposit plus 6 monthly payments of $55. How much more does the installment plan cost than the cash price?
$460 · $150 · 6 m · $55 · Deposit & monthly instalme…
2. A laptop has a cash price of $330, or can be bought with a $20 deposit plus 6 monthly payments of $55. How much more does the installment plan cost than the cash price?
$330 · $20 · 6 m · $55 · Deposit & monthly instalme…
3. A laptop has a cash price of $215, or can be bought with a $30 deposit plus 6 monthly payments of $35. How much more does the installment plan cost than the cash price?
$215 · $30 · 6 m · $35 · Deposit & monthly instalme…
4. A laptop has a cash price of $1210, or can be bought with a $150 deposit plus 18 monthly payments of $60. How much more does the installment plan cost than the cash price?
$1210 · $150 · 18 m · $60 · Deposit & monthly instalme…
5. A laptop has a cash price of $720, or can be bought with a $90 deposit plus 9 monthly payments of $75. How much more does the installment plan cost than the cash price?
$720 · $90 · 9 m · $75 · Deposit & monthly instalme…
6. A laptop has a cash price of $290, or can be bought with a $60 deposit plus 18 monthly payments of $15. How much more does the installment plan cost than the cash price?
$290 · $60 · 18 m · $15 · Deposit & monthly instalme…
7. A laptop has a cash price of $340, or can be bought with a $60 deposit plus 12 monthly payments of $25. How much more does the installment plan cost than the cash price?
$340 · $60 · 12 m · $25 · Deposit & monthly instalme…
8. A laptop has a cash price of $530, or can be bought with a $70 deposit plus 24 monthly payments of $20. How much more does the installment plan cost than the cash price?
$530 · $70 · 24 m · $20 · Deposit & monthly instalme…
9. A laptop has a cash price of $1175, or can be bought with a $110 deposit plus 18 monthly payments of $60. How much more does the installment plan cost than the cash price?
$1175 · $110 · 18 m · $60 · Deposit & monthly instalme…
10. A laptop has a cash price of $255, or can be bought with a $90 deposit plus 9 monthly payments of $25. How much more does the installment plan cost than the cash price?
$255 · $90 · 9 m · $25 · Deposit & monthly instalme…
11. A laptop has a cash price of $490, or can be bought with a $150 deposit plus 24 monthly payments of $15. How much more does the installment plan cost than the cash price?
$490 · $150 · 24 m · $15 · Deposit & monthly instalme…
12. A laptop has a cash price of $940, or can be bought with a $50 deposit plus 18 monthly payments of $50. How much more does the installment plan cost than the cash price?
$940 · $50 · 18 m · $50 · Deposit & monthly instalme…

12 questions · Seed 55 · 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 $460, or can be bought with a $150 deposit plus 6 monthly payments of $55. How much more does the installment plan cost than the cash price?
$20
Installment total = $150 + 6 × $55 = $480. Difference = $480 − $460 = $20.
2. A laptop has a cash price of $330, or can be bought with a $20 deposit plus 6 monthly payments of $55. How much more does the installment plan cost than the cash price?
$20
Installment total = $20 + 6 × $55 = $350. Difference = $350 − $330 = $20.
3. A laptop has a cash price of $215, or can be bought with a $30 deposit plus 6 monthly payments of $35. How much more does the installment plan cost than the cash price?
$25
Installment total = $30 + 6 × $35 = $240. Difference = $240 − $215 = $25.
4. A laptop has a cash price of $1210, or can be bought with a $150 deposit plus 18 monthly payments of $60. How much more does the installment plan cost than the cash price?
$20
Installment total = $150 + 18 × $60 = $1230. Difference = $1230 − $1210 = $20.
5. A laptop has a cash price of $720, or can be bought with a $90 deposit plus 9 monthly payments of $75. How much more does the installment plan cost than the cash price?
$45
Installment total = $90 + 9 × $75 = $765. Difference = $765 − $720 = $45.
6. A laptop has a cash price of $290, or can be bought with a $60 deposit plus 18 monthly payments of $15. How much more does the installment plan cost than the cash price?
$40
Installment total = $60 + 18 × $15 = $330. Difference = $330 − $290 = $40.
7. A laptop has a cash price of $340, or can be bought with a $60 deposit plus 12 monthly payments of $25. How much more does the installment plan cost than the cash price?
$20
Installment total = $60 + 12 × $25 = $360. Difference = $360 − $340 = $20.
8. A laptop has a cash price of $530, or can be bought with a $70 deposit plus 24 monthly payments of $20. How much more does the installment plan cost than the cash price?
$20
Installment total = $70 + 24 × $20 = $550. Difference = $550 − $530 = $20.
9. A laptop has a cash price of $1175, or can be bought with a $110 deposit plus 18 monthly payments of $60. How much more does the installment plan cost than the cash price?
$15
Installment total = $110 + 18 × $60 = $1190. Difference = $1190 − $1175 = $15.
10. A laptop has a cash price of $255, or can be bought with a $90 deposit plus 9 monthly payments of $25. How much more does the installment plan cost than the cash price?
$60
Installment total = $90 + 9 × $25 = $315. Difference = $315 − $255 = $60.
11. A laptop has a cash price of $490, or can be bought with a $150 deposit plus 24 monthly payments of $15. How much more does the installment plan cost than the cash price?
$20
Installment total = $150 + 24 × $15 = $510. Difference = $510 − $490 = $20.
12. A laptop has a cash price of $940, or can be bought with a $50 deposit plus 18 monthly payments of $50. How much more does the installment plan cost than the cash price?
$10
Installment total = $50 + 18 × $50 = $950. Difference = $950 − $940 = $10.

12 questions · Seed 55 · Age guidance, not curriculum certification