Holiday Math Fun

Front

What is the total amount of money saved if you double your savings each month starting with $2 in January?

Back

$156

Front

If 10 elves each make 10 xylophones with 10 keys each for 10 days, how many keys are produced?

Back

10,000 keys

Front

If Sam gives Henry half of his candy canes and Henry eats half of them, how many candy canes did Henry eat if he ends up giving 10 to Justin?

Back

18 candy canes

Front

How many candles are typically found on a menorah?

Back

7 or 9 candles

Front

In 'The 12 Days of Christmas', how many total gifts does your True Love receive?

Back

78 gifts

Front

What is the pattern of savings if you save $2, $4, $8, $16, etc. each month?

Back

This is a geometric sequence where each term is double the previous term.

Front

What is a geometric sequence?

Back

A sequence of numbers where each term after the first is found by multiplying the previous term by a fixed, non-zero number.

Front

How do you calculate the total number of keys made by the elves?

Back

Multiply the number of elves (10) by the number of xylophones (10) and then by the number of keys per xylophone (10) and the number of days (10): 10 x 10 x 10 x 10 = 10,000.

Front

What fraction of candy canes did Henry eat if he received half from Sam?

Back

Henry ate half of the half he received.

Front

What is the significance of the number of candles on a menorah?

Back

The menorah represents the miracle of the oil that lasted eight days during the rededication of the Second Temple.