Christmas math

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 x 4 means adding 3 four times (3 + 3 + 3 + 3 = 12).

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified value, often to make it simpler. For example, rounding 532 to the nearest ten gives 530.

Front

What is the expression to find out how many books Marcus has left after losing some?

Back

(12 x 3) - 5.

Front

How do you round 45 to the nearest ten?

Back

You round 45 up to 50 because it is closer to 50 than to 40.

Front

If Santa eats 15 cookies and then eats 3 more, how many cookies has he eaten in total?

Back

He has eaten 18 cookies (15 + 3 = 18).

Front

What is the total number of charms if Serenity made 6 necklaces with 8 charms each?

Back

Serenity has 48 charms in total (6 x 8 = 48).

Front

If Serenity gives away 3 necklaces, how many charms does she have left?

Back

She has 24 charms left (3 necklaces x 8 charms = 24 charms).

Front

What is the result of 12 multiplied by 3?

Back

The result is 36.

Front

What is the nearest ten to 532?

Back

The nearest ten to 532 is 530.

Front

What is the difference between addition and multiplication?

Back

Addition combines numbers to get a total, while multiplication is repeated addition.