Abstract The aim of this study was to reveal the importance of individual communication using WhatsApp in the extent to which the guardians of sixth grade sudents in Mathematics at Buraimi city in the Sultanate of Oman continued to achieve the objectives of the study. So, the descriptive approach was used to collect data through questionnaire questions. The validity of the instrument was measured by using pilot study to measure the stability of the tool by distributing a survey sample to calculate the internal consistency using the Cronbach's Alpha equation.The results of the reliability statistsitcs were α =0.716. The study sample consisted of 130 guardians of sixth grade sudents in the school of Mimouna bint al-Harith School for Basic Education. The results of the study showed that the overall level of the importance of individual communication via WhatsApp in the extent of communication among the guardians of sixth grade sudents in Mathematics at AL Buraimi city in Oman was high, and also revealed that WhatsApp is easy to use and fast spreading in the Study sample.The findings of the study also demonstrated that there were no statistically significant differences between the educational level of the guardians and the age of the guardias in the importace of individual communication via WhatsApp in the extent to which guardians of sixth grade students in Mathematics at Buraimi city continued. Based on the results, the study presented some recommendations and suggestions to enhance the importance of individual communication through WhatsApp to develop the instructional process and achieve learning outcomes