Evaluating the Content Validity of Grade 10 Mathematics Model Examinations in Oromia National Regional State, Ethiopia

Table 3

Major topics and number of exercises in each major topic of grades 9 and 10 textbooks.

Major topics	Grade		No. of exercises	%
	9	10
(1) The real number system	80	0	80	13
(2) Equations and inequalities	43	27	70	11.38
(3) Measurement	13	44	57	9.27
(4) Polynomial function	0	56	56	9.11
(5) Statistical data and probability	46	0	46	7.48
(6) Further on set theory	41	0	41	6.67
(7) Relations and functions	37	0	37	6.02
(8) Regular polygons	23	10	33	5.37
(9) Circles	8	19	27	4.39
(10) Equation of a line, parallel and perpendicular lines	0	26	26	4.23
(11) Further on congruency and similarity	22	0	22	3.58
(12) Basic trigonometric functions	8	12	20	3.25
(13) Theorems on triangles and special quadrilaterals	0	19	19	3.09
(14) Exponents and logarithms	0	17	17	2.76
(15) Vector in two dimensions	15	0	15	2.44
(16) Graph of exponential and logarithmic functions	0	13	13	2.11
(17) Distance and section formulas	0	12	12	1.95
(18) Equations and applications of exponents and logarithms	0	11	11	1.79
(19) Identities and real-life problems of trigonometry	0	7	7	1.13
(20) The reciprocal trigonometric functions	0	6	6	0.98
Total	336	279	615	100