Question
There are 2 green marbles and 2 red marbles in each group.
There is a total of 4 red marbles.
  1. How many green marbles are there?
  2. How many marbles are there altogether?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

There are 2 green marbles and 2 red marbles in each group.
There is a total of 4 red marbles.
  1. How many green marbles are there?
  2. How many marbles are there altogether?