. 2021 Sep 3;7(9):e07922. doi: 10.1016/j.heliyon.2021.e07922

Table 3.

Sample items of two worksheets.

Worksheet	Sample Items
1	Write down the next two terms in the following number sequence. (a) 1, 3, 5, 7, ___, ___ (b) 6, 10, 14, 18, ___, ___ (c) 8, -3, -2, ___, ___
	(a) If the nth term of a sequence is T_n = 5n + 4, find the first 5 terms of the sequence. (b) If the nth term of a sequence is T_n = nˆ2–3, find the first 4 terms of the sequence. (c) If the nth term of a sequence is T_n = - 4n+9, find the 35^th and 50^th of the sequence.
	Find the general term, T_n. 1, 3, 5, 7, … T_n = ?
	Write down the n^th term in the following number sequence. (a) 5, 9, 13, 17, 21, … (b) 7, 12, 17, 22, 27, … (c) 2, 4, 14, 20, 26
2	The diagram shows the first three patterns of dots in a sequence. (a) Draw the 4^th pattern of dots. (b) How many dots are there in the 5^th pattern?