Remember: Compound interest pays on the interest already added, so growth speeds up.
Questions
1
The Snowball Garden adds one new coin for every full ten. Which garden adds twenty-one coins in a year?
🌾a garden of two hundred twelve coins🍀a garden of one hundred thirty-three coins🌿a garden of one hundred twenty-one coins
2
Which one is not compound interest?
🏔️a snowball rolling downhill⛄interest paid on the coins and on earlier interest🌰interest paid only on the planted coins
3
The Snowball Garden adds one new coin for every full ten. Which garden adds eleven coins in a year?
🌱a garden of one hundred ten coins🌷a garden of two hundred fifty-six coins🌵a garden of one hundred ninety-three coins
4
Which one is compound interest?
🪴leaving the new coins in the garden🟰the same new coins every year🌰interest paid only on the planted coins
5
The Snowball Garden adds one new coin for every full ten. Which garden adds fourteen coins in a year?
🌳a garden of one hundred forty-six coins🌷a garden of two hundred fifty-six coins🌿a garden of one hundred twenty-one coins
6
Which one is not compound interest?
🏔️a snowball rolling downhill🔟ten coins a year on a hundred planted🪴leaving the new coins in the garden
7
🌷The Snowball Garden adds one new coin for every full ten. Does a garden of two hundred fifty-six coins add sixteen coins in a year?
YesNo
8
Which one is simple interest, not compound?
📏the Flat Patch🔁interest that earns interest🪴leaving the new coins in the garden
9
The Snowball Garden adds one new coin for every full ten. Which garden adds seventeen coins in a year?
🌱a garden of one hundred ten coins🌾a garden of two hundred twelve coins🌴a garden of one hundred seventy-six coins
10
Which one is compound interest?
🏔️a snowball rolling downhill🧺picking the new coins out each year🌰interest paid only on the planted coins
11
Which one is not compound interest?
🧺picking the new coins out each year⛄interest paid on the coins and on earlier interest🪴leaving the new coins in the garden
12
🍀The Snowball Garden adds one new coin for every full ten. Does a garden of one hundred thirty-three coins add twenty-three coins in a year?
YesNo
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Answer key · Set B
Compound interest for you
1a garden of two hundred twelve coins
2interest paid only on the planted coins
3a garden of one hundred ten coins
4leaving the new coins in the garden
5a garden of one hundred forty-six coins
6ten coins a year on a hundred planted
7No
8the Flat Patch
9a garden of one hundred seventy-six coins
10a snowball rolling downhill
11picking the new coins out each year
12No
Mark each answer, count the right ones and write the score on the sheet.