N1-LC4 Easy Set A
N1-4 Composes and decomposes a given number. e.g. 5 is 5 and 0, 4 and 1, 3 and 2, 2 and 3, 1 and 4, 0 and 5.

N1-LC4 Easy Set A

N1-LC4 Easy Set B
N1-4 Composes and decomposes a given number. e.g. 5 is 5 and 0, 4 and 1, 3 and 2, 2 and 3, 1 and 4, 0 and 5.

N1-LC4 Easy Set B

N1-LC4 Average
N1-4 Composes and decomposes a given number. e.g. 5 is 5 and 0, 4 and 1, 3 and 2, 2 and 3, 1 and 4, 0 and 5.

N1-LC4 Average

N1-LC4 Difficult
N1-4 Composes and decomposes a given number. e.g. 5 is 5 and 0, 4 and 1, 3 and 2, 2 and 3, 1 and 4, 0 and 5.

N1-LC4 Difficult