Growth Comparison Cards

Use these cards to compare two simple investment options. For each card:

1. Calculate how much each option grows after 1 year.
2. Choose which option yields more total growth (A or B).
3. Explain your reasoning and show your math.

You have about 2 minutes per card. Be ready to share your choice in our class vote!

Card 1

A: $100 at 5% interest
B: $5 bonus

Which grows more? (A or B):




Explain your reasoning and show your work:

Card 2

A: $200 at 10% interest
B: $15 bonus

Which grows more? (A or B):




Explain your reasoning and show your work:

Card 3

A: $50 at 8% interest
B: $4 bonus

Which grows more? (A or B):




Explain your reasoning and show your work:

Card 4

A: $150 at 3% interest
B: $10 bonus

Which grows more? (A or B):




Explain your reasoning and show your work:

Class Vote & Share

Once everyone has completed the cards, we’ll take a quick vote on each scenario. Choose one card to share:

• Which option you picked
• Your key calculation or insight

Prepare your explanation: