Back to the guide · Browser Print: Letter or A4; check preview

The $100 Teen Party Challenge: A Budgeting Game with Six Surprise Rounds

PRIVATE HOST KEY: keep away from guessers

Prepared October 29, 2026. USD values are fictional practice prices unless a card expressly identifies historical source dates. No current retail lookup is implied.

Private host answer sheet
#Item / exact unitAnswer / reveal note
1Starting balance
USD remaining from $100 event budget
Essentials $55, decorations $12, game kit $18. What remains from $100?
$15.00 USD
$100−($55+$12+$18)=$15.
Replacement source/date: __________
2More guests
USD remaining after 2 extra guests
Reset to $85 plan. Add 2 guests needing $3 snack+$1 drink each. What remains?
$7.00 USD
$100−$85−2×$4=$7.
Replacement source/date: __________
3Snack price increase
USD total event spending
Reset to $85 plan; 10 snacks rise from $3 to $3.50. What is total spending?
$90.00 USD
$85+10×$0.50=$90.
Replacement source/date: __________
4Smaller budget
USD minimum spending reduction
Reset $85 plan; new budget $80; keep $10 reserve. How much must spending fall?
$15.00 USD
$85−($80−$10)=$15.
Replacement source/date: __________
5Compare plans
USD difference between plans
Plan A: $55 essentials+$18 game. Plan B: $55+$12 decor+$10 cards. How much more is B?
$4.00 USD
$77−$73=$4.
Replacement source/date: __________
6Spendable balance
USD available after $10 reserve
Plan A costs $73. How much may be spent from $100 while keeping $10?
$17.00 USD
$100−$73−$10=$17.
Replacement source/date: __________
Detailed prompt cards and source fields (optional reference)

1. Starting balance

USD remaining from $100 event budget

Essentials $55, decorations $12, game kit $18. What remains from $100?

Fictional practice price · USD · tax/shipping excluded

Answer: $15.00 USD

$100−($55+$12+$18)=$15.

Verified replacement retailer/source: ____________________
Exact product/quantity: ____________________
Region/currency/date/sale conditions: ____________________

2. More guests

USD remaining after 2 extra guests

Reset to $85 plan. Add 2 guests needing $3 snack+$1 drink each. What remains?

Fictional practice price · USD · tax/shipping excluded

Answer: $7.00 USD

$100−$85−2×$4=$7.

Verified replacement retailer/source: ____________________
Exact product/quantity: ____________________
Region/currency/date/sale conditions: ____________________

3. Snack price increase

USD total event spending

Reset to $85 plan; 10 snacks rise from $3 to $3.50. What is total spending?

Fictional practice price · USD · tax/shipping excluded

Answer: $90.00 USD

$85+10×$0.50=$90.

Verified replacement retailer/source: ____________________
Exact product/quantity: ____________________
Region/currency/date/sale conditions: ____________________

4. Smaller budget

USD minimum spending reduction

Reset $85 plan; new budget $80; keep $10 reserve. How much must spending fall?

Fictional practice price · USD · tax/shipping excluded

Answer: $15.00 USD

$85−($80−$10)=$15.

Verified replacement retailer/source: ____________________
Exact product/quantity: ____________________
Region/currency/date/sale conditions: ____________________

5. Compare plans

USD difference between plans

Plan A: $55 essentials+$18 game. Plan B: $55+$12 decor+$10 cards. How much more is B?

Fictional practice price · USD · tax/shipping excluded

Answer: $4.00 USD

$77−$73=$4.

Verified replacement retailer/source: ____________________
Exact product/quantity: ____________________
Region/currency/date/sale conditions: ____________________

6. Spendable balance

USD available after $10 reserve

Plan A costs $73. How much may be spent from $100 while keeping $10?

Fictional practice price · USD · tax/shipping excluded

Answer: $17.00 USD

$100−$73−$10=$17.

Verified replacement retailer/source: ____________________
Exact product/quantity: ____________________
Region/currency/date/sale conditions: ____________________

Total paper points: __________ Joint winners if tied: __________