JHS2 Mathematics · Term 2, Week 10

Variables and Equations

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Strand: Algebra (Strand 2)
Sub-strand: Variables and Equations (2.3)
Content standard: B8.2.3.1 - Demonstrate an understanding of linear inequalities of the form x + a ≥ b (where a and b are integers) by modelling problems as a linear inequalities and solving the problems concretely, pictorially, and symbolically.
Indicator: B8.2.3.1.2 - Solve simple linear inequalities
Suggested placement: Term 2, Week 10 (Week 22 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Mathematics, Common Core Programme (JHS1-JHS3), 2023, p. 121
Transcribed from the official NaCCA publication. Check this page against the source.

E.g.1 Use the idea of balancing to solve simple linear inequalities.

i. 2x - 13 > 29 v. x - 4 > 1
ii. 4x - 9 > -5 vi. 10 - x < 12
iii. 14 < 8 - 2x vii. x - 3 ≥ 2
iv. 3x ≤ 8 + x viii. 2x - 5 ≤ 35 - x