BATMAN AND MULTIPLYING THREE DIGITS BY TWO DIGITS WITH REGROUPING

mahilum

JOCELYN C. MAHILUM
Teacher II
Vedasto F. Corcuera Elementary School

Abstract
This study aimed to investigate the effectiveness of the three methods (long method, short method and lattice method ), in multiplying numbers with regrouping .The researcher used the descriptive-comparative research design to achieve its goal. The respondents of the study were the ninety pupils enrolled in Vedasto F. Corcuera Elementary School. Probability sampling using the simple random technique was used in the selection of the respondents. The statistical treatment used were the Mean and Standard Deviation, One-Way ANOVA, Tukey HSD.

Introduction
It has always been a great challenge for many educators throughout the world in dealing with the difficulty of the learners in multiplying. Learners in the elementary are expected to have their mastery in multiplication for them to cope up the more difficult task in solving problem. But, many obstacles came along the way in achieving it. Various methods have been introduced to address the problem and still the effectiveness of each method is still questionable. According to Chung, (2004) methods of teaching mathematics are founded upon and directly affected by the educators investigations of learning .How students should understand and remember Mathematics is of paramount concern to teaching at all levels of schooling.
According to (SanneH.G.van der Ven, Brenda R.J Jansen, 2015), Mental multiplication ability of primary school children and the difficulty structure of all single digit and 469 multi-digit multiplication problems, each solved tens of thousands of times in a web-based practice program, exploratory analyses on the difficulty of multi-digit problems suggest that children rely on the base 10 structure of our number system.

The objective of the study aimed to find out the effectiveness of the BATMAN in improving the skills in multiplying numbers. The researcher sought to find the answer of the following questions:
1. What is the mean score of the three groups when exposed to BATMAN in terms of Long Method, Short Method and Lattice Method?
2. What is the level of performance of the learners in understanding the multiplication skills?
3. Is there a significant difference in the performance of students in understanding multiplication skills when exposed to BATMAN?
4. Is there a significant difference in the three methods associated with the difference in the performance of the learners in multiplication skills?
5. What is the effect size of BATMAN to the performance of the learners in understanding multiplication skills?

For a better understanding of the terms used in this study, the following Operational terms were defined.

BATMAN refers to the Basic Approaches in Teaching Multiplication Applicable Nationwide.
Long method refers to the long method of multiplying in which the process uses the distributive property of multiplication over addition.
Short method refers to the traditional way of multiplying numbers by multiplying the multiplicand to its multiplier and adding the partial products.
Lattice Method refers to the grid method of multiplication in which regrouping can only be done during the addition of the partial product.

Method
The researcher made used of the descriptive –comparative study design. There were ninety Grade Four participants involved in this study in Vedasto F. Corcuera Elementary School .Probability sampling using the simple random technique was used in the selection of the respondents.

Conclusion
1. The mean score of three groups when exposed to BATMAN in terms of Long method, short method and lattice method signifies that Short method has a high performance while both Lattice and Long method have a very high performance.
2. The level of performance of the learners in understanding Multiplication is very high.
3. There is a significant difference in the performance of learners in understanding Multiplication when exposed to BATMAN.
4. There is a significant difference in the three strategies in BATMAN associated with the difference in performance of learners in understanding Multiplication.
5. BATMAN has a moderate effect size to the performance of Grade IV learners in understanding multiplication.

Recommendation
BATMAN is recommended to be adopted by the teachers of Grade IV handling Mathematics in understanding Multiplication in which Lattice and Long method is highly recommended for the slow learners struggling in multiplying numbers with regrouping while Short method is for those fast learners who have mastered regrouping numbers.

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