Draw a blank bar graph on a sheet of white copy paper with the 12 months listed on the horizontal line. Measure and mark every two inches up the vertical line and number each mark to number 10. Make copies and pass them out to each student. Have the students graph the number of children with birthdays in each month. Make a list of questions to ask the students, such as how many students had birthdays in February, how many more birthdays were in January than in March, etc.
Choose three cards from a deck and place them face up on the table. Have the student choose one of the cards as the target card. Flip the cards over and shuffle them around for 10 seconds. Have the student guess which card is the target card. Play five rounds and give one point for each card that was guessed correctly. After five rounds, add the total of earned points and divide that number by five. This will give the percentage of probability that the student would have at guessing the correct target card.
Have each student write down on a sheet of paper her guess at how much 50 pennies would weigh. Give each student a paper penny roll and let them count out 50 pennies, placing each penny into the paper roll. Let them hold the penny roll and guess again at how much they think the pennies weigh, writing down their estimation. After all estimations are recorded, let each student weight her penny roll for the actual weight and have her compare this to her estimations.
Give students the job roles of shoppers and cashiers. Give the shoppers a grocery sales newspaper insert, a few coupons of items listed in the insert, and play money. Give the cashiers a calculator and play money. Set a spending limit. Have shoppers write down the grocery items that they wish to purchase within the spending limit. Have the student give his list and matching coupons to the cashier, who will add the totals and subtract the coupon amounts from the total. The shopper will give the money to the cashier and receive change if he is within his spending limit.