Egg Bean Game/Missing Addend Also invert the cup - Ask ss to put 3 inside the cup and the rest (ie. in a straight line in front of them. "Now, let's count on - Roll a die to determine how many beans go inside the cup (also subitizing). Kids love this one!
JPEG image - More maths resources to help understanding of number . In the other year 3 classroom they had a maths resource shelf quite like this where the resources were named with pictures to help all children clearly see where each resource is.
Simple solution to all your dice problems! Stick two dice in a small tupperware container. Have the children shake the container and look at the dice. No "throwing" dice or losing them either. I will probably use foam dice as they are noiseless.