“…All possible combinations of selected number I, selected operation, and selected number II are presented in Table 5. 10 + 1; 10 + 2; 10 + 3; 10 + 4; … ; 10 + n, nϵℕ Multiplication 10 × 1; 10 × 2; 10 × 3; 10 × 4; … ; 10 × n, nϵℕ Subtraction 10 -1; 10 -2; 10 -3; 10 -4; … ; 10 -n, nϵℕ 4 Addition 4 + 1; 4 + 2; 4 + 3; 4 + 4; … ; 4 + n, nϵℕ Multiplication 4 × 1; 4 × 2; 4 × 3; 4 × 4; … ; 4 × n, nϵℕ Subtraction 4 -1; 4 -2; 4 -3; 4 -4; … ; 4 -n, nϵℕ 7 Addition 7 + 1; 7 + 2; 7 + 3; 7 + 4; … ; 7 + n, nϵℕ Multiplication 7 × 1; 7 × 2; 7 × 3; 7 × 4; … ; 7 × n, nϵℕ Subtraction 7 -1; 7-2; 7-3; 7-4; … ; 7-n, nϵℕ Table 5 shows basic mathematic operations (Brandt, Bassoi, & Baccon, 2016;Rosenberg-Lee, Chang, Young, Wu, & Menon, 2011) of addition, multiplication, and subtraction, but not division. In addition to basic mathematic operations, it also contains arithmetic sequences (Khalid & Embong, 2020;Tohir, Abidin, Dafik, & Hobri, 2018;Zazkis & Liljedahl, 2002).…”