Leftovers with 20

Objective: To develop the concept of division as repeated subtraction.

A game for 2 players

Materials: 1 die; 20 counters

Procedure:

1. The first player rolls the die, takes that number of counters to form a group in order to form as many groups as possible. If there are leftover counters, the first player keeps them.

Example: No 3 is rolled. The 20 counters can be grouped into 6 groups of 3 counters with a remainer of 2 counters

Division sentence: 20 ÷ 3 = 6 remainder 2

2. The second player writes the division sentence on a recording sheet.3. The players switch roles and continue until there aren’t any counters left.4. The player with more counters is the winner.