Questions/instructions:

E 4 ngä räkau hei hanga i tënei taiapa. Kotahi te wähanga o tënei taiapa:
E 7 ngä räkau hei hanga i tënei taiapa, e 2 ngä wähanga:

correctly drawn with 4 sections (five verticals)

number of sticks = 3x + 1 (any letter, any order)

rule for number of sticks described in words clearly

4

other valid rule (e.g. one more post than number of sections)

11

31

301

Commentary:
Sixty percent of the students were able to continue the geometric pattern with materials. However, most students had difficulty with questions requiring students to express or apply the algebraic rule for the relationship between the two variables.