Page 59 - NUMINO Challenge_L2
P. 59
4. Give and Take

Give and Take
There is an even number of marbles on each plate. If one marble is
moved from one plate to the other, the difference in the number
of marbles is 2.

Difference of marbles: 0 Difference of marbles: 2

EExxpplloorree There are two plates, one with 6 red marbles and one with 2 blue

marbles. If one red marble is moved to the other plate, the difference

of marbles will decrease to 2 from 4. Move 1

Difference of marbles: 4 Difference of marbles: 2

EExxeerrcciissee How many red marbles need to be moved in order to have the same
number of marbles on both plates?

56 NUMINO Challenge L2
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