S.1 Math Vocabulary
Chapter 1: Directed Numbers
Words / Descending order / Ascending order / Positive number / Negative number / LossSyllables / de·scend·ing or·der / as·cend·ing or·der / pos·i·tive num·ber / neg·a·tive num·ber /
loss
Words / Profit / Number line / Fraction / Numerator / DenominatorSyllables / prof·it / num·ber line / frac·tion / nu·mer·a·tor / de·nom·i·na·tor
Chapter 2: Basic Algebra
Words / Algebra / Algebraic expression / Plus / Minus / MultiplySyllables / al·ge·bra / al·ge·bra·ic ex·pres·sion / plus / mi·nus / mul·ti-ply
Words / Divide / Consecutive numbers / Formula / Substitution / Sequence
Syllables / di·vide / con·sec·u·tive num·ber / for·mu·la / sub·sti·tu·tion / se·quence
Chapter 3: Basic Geometry
Words / Point / Straight line / Curve / Plane / AngleSyllables / point / straight line / curve / plane / an·gle
Words / Acute angle / Obtuse angle / Protractor / Triangle / Polygon
Syllables / a·cute an·gle / ob·tuse an·gle / pro·trac·tor / tri·an·gle / pol·y·gon
Chapter 4: Linear Equations in One Unknown
Words / Equation / Unknown / Solution / Root / BracketSyllables / e·qua·tion / un·known / so·lu·tion / root / brack·et
Chapter 5: Percentages
Words / Percentage / Increase / Decrease / Cost / Selling priceSyllables / per·cent·age / in·crease / de·crease / cost / sell·ing price
Words / Marked price / Discount / Original value / Buy / Sell
Syllables / Marked price / dis·count / o·rig·i·nal val·ue / buy / sell
Chapter 6: Statistics in Daily Life
Words / Statistics / Datum / Frequency / Frequency distribution table / PictogramSyllables / sta·tis·tics / da·tum / fre·quen·cy / fre·quen·cy dis·tri·bu·tion ta·ble / pic·to·gram
Words / Bar chart / Broken-line graph / Pie chart / Stem-and-leaf diagram
Syllables / bar chart / bro·ken line graph / Pie chart / stem-and- leaf di·a·gram
Chapter 7: Algebraic Expressions and Polynomials
Words / Power / Index / Base / Monomial / BinomialSyllables / pow·er / in·dex / base / mo·no·mi·al / bi·no·mi·al
Words / Coefficient / Constant term / Degree / Like terms / Unlike terms
Syllables / co·ef·fi·cient / con·stant term / de·gree / Like terms / un·like terms
Chapter 8: Symmetry and Transformation
Words / Symmetry / Reflection / Axis of symmetry / Rotation / Centre of rotationSyllables / sym·me·try / re·flec·tion / ax·is of sym·me·try / ro·ta·tion / cen·tre of ro·ta·tion
Words / Transformation / Enlargement / Contraction / Clockwise / Anti-clockwise
Syllables / trans·for·ma·tion / en·large·ment / con·trac·tion / clock·wise / an·ti·clock·wise
Chapter 9: Introduction to Coordinates
Words / Coordinate / Ordered pair / x-axis / y-axis / OriginSyllables / co·or·di·nate / or·dered pair / x ax·is / y ax·is / or·i·gin
Words / x-coordinate / y-coordinate / Horizontal / Vertical / Quadrant
Syllables / x co·or·di·nate / y co·or·di·nate / hor·i·zon·tal / ver·ti·cal / quad·rant
Chapter 10: Statistical Graphs
Words / Discrete data / Continuous data / Histogram / Class interval / Class limitSyllables / dis·crete da·ta / con·tin·u·ous da·ta / his·to·gram / class in·ter·val / class lim·it
Words / Class mark / Class boundary / Scatter diagram / Positive relation / Negative relation
Syllables / class mark / class bound·a·ry / scat·ter di·a·gram / pos·i·tive re·la·tion / neg·a·tive re·la·tion
Chapter 11: Linear Equation in Two Unknowns
Words / Linear / GraphSyllables / lin·e·ar / graph
Chapter 12: Ratio and Rate
Words / Ratio / Equivalent / Rate / Quotient / ScaleSyllables / ra·tio / e·quiv·a·lent / rate / quo·tient / scale
Chapter 13: Angles in Rectilinear Figures
Words / Prove / Theorem / Transversal / Adjacent angles / Opposite anglesSyllables / prove / the·o·rem / trans·ver·sal / ad·ja·cent an·gles / op·po·site an·gles
Words / Corresponding angles / Alternate angles / Interior angles / Exterior angles / Base angles
Syllables / cor·re·spond·ing an·gles / al·ter·nate an·gles / in·te·ri·or an·gles / ex·te·ri·or an·gles / base an·gles