Merry Christmas Math

Front

What is the formula to calculate the perimeter of a rectangle?

Back

Perimeter = 2 * (length + width)

Front

If a window is 3.5 feet wide and 5 feet long, what is its perimeter?

Back

Perimeter = 2 * (3.5 + 5) = 17 feet.

Front

How do you calculate the total number of items produced over time?

Back

Total items = initial items + (rate of production * time)

Front

If Betsy wraps 2 presents per minute for 30 minutes, how many presents does she wrap?

Back

Total = 40 + (2 * 30) = 100 presents.

Front

What is the total time in minutes for 3 hours and 55 minutes?

Back

Total time = 3 * 60 + 55 = 235 minutes.

Front

How many batches of cookies can be made in 3 hours and 40 minutes if each batch takes 20 minutes?

Back

Total batches = (3 * 60 + 40) / 20 = 11 batches.

Front

What is the total number of children seen by 400 Santas if each sees 125 children a day for 30 days?

Back

Total children = 400 * 125 * 30 = 1,500,000 children.

Front

How many raisins are needed for one gingerbread man?

Back

2 raisins for eyes + 3 raisins for buttons = 5 raisins per gingerbread man.

Front

If Beth has 4 boxes of raisins with 120 raisins each, how many raisins does she have in total?

Back

Total raisins = 4 * 120 = 480 raisins.

Front

How many gingerbread men can Beth make with 480 raisins if each requires 5 raisins?

Back

Total gingerbread men = 480 / 5 = 96 gingerbread men.