- Grades: 1–2, 3–5
Object: Players take turns shaking a numbered
egg carton containing two counters. The player's score after each
turn is the sum, difference, or product of the two counters.
Number of Players: two to four
Materials: one egg carton and two small counters (buttons, pebbles, beads)
Preparation: Write the numbers from 0 to 10 in the holes of an egg carton, as shown. You will need to write one of the numbers twice.
1. Egg-0 is played in rounds, with play rotating clockwise. During each round, each player takes a turn putting the two counters in the egg carton, closing it, shaking it, and then opening the carton to see where the counters landed.
2. In the addition game, a player's score is the sum of the two numbers that the counters landed in. During a subtraction or multiplication game, players find either the difference or product of the numbers.
3. The player with the highest score wins one point for the round.
The first player to acquire five points wins.
Instead of acquiring points at the end of each round, players keep cumulative track of their scores from the rounds. The first player to get a cumulative score of 50 or more for the addition game wins (25 for the subtraction game, 200 for the multiplication game). Players can use calculators to help them keep track of their scores.
Play ten rounds or for fifteen minutes. The winner is then the player with the highest cumulative score.
Use three, four, or five counters, instead of two.
Fractions or Decimals: Use fractions or decimals instead of whole numbers.
Place Value: Use two-,three-, or four-digit numbers in the
egg cavities, such as 25 or 378.
This page may be photocopied for classroom use.