Bade, Karl L. Manipulatives use and math performance of grade 8 and grade 9 high school students at Digos City national high school/ Karl L. Bade, Allyn Mae D. Rubio and Glezzle Joy Q. Hubo. - Digos City: UMDC November 2014. - 48 pages; 30 cm. Subjects--Topical Terms: Education--Undergraduate thesis.--Mathematics Dewey Class. No.: UT 0545 / B14