This is the first of several posts I intend to make on the topic of Christianity's relationship with other religions. Rather than speaking in the abstract, I am going to focus on how Islam and Christianity interact. (A recent United Nations demographic report forecasts that Muslims will represent at least half of the global birthrate after the year 2055  ). My proposed schedule in tackling this topic is as follows (this schedule is subject to change)::
Part One: What is Islam? Do Muslims and Christians worship the same God?
Part Two: What are the similarities and differences between Muslims and Christians? Who do Muslims say Jesus is?
Part Three: Do all religions lead to God?
As you can see, this first post contains the basics--probably nothing new for anyone who has spent time studying world religions. While I don't want to over-simplify things, I am hoping to present this in an understandable fashion.
Question 1: What is Islam?
Who is Muhammad?
Muhammad was born in
Muhammad claimed that there were prophecies written in Christian and Judaic Scriptures predicting his coming. Therefore, if the Jews and Christians claimed they did not have record of his coming then, he concluded, they must be concealing some of the Holy Scripture. 
What is Islam?
The Arabic word Islam means ‘submission’ and comes from a word meaning ‘peace.’ A Muslim (someone who believes or follows Islam), practices the Five Pillars that make up the religion Islam. These Five Pillars were recorded by Muhammad and are as follows:
1. “Shahada”—which is a testimony of faith. The shahada is reciting the testimony: “There is one true God (Allah), and Muhammad is the messenger of God.” This is the most important pillar and is required when someone wants to convert to Islam.
2. Prayer—Muslims are to pray five times a day for five to ten minutes facing
3. “Zakat”—Muslims are required to give to the poor. “Zakat” means purification. Muslims believe that their possessions are purified when they set aside a small portion of what they own for the needy. They see giving to the poor like pruning a plant; when you cut back branches, new growth comes.
4. Fasting—Muslims fast during the month of Ramadan (Ramadan is the ninth month of the Islamic calendar). Muslims fast from dawn to sundown, abstaining from food, drink, and sexual relations. This kind of fasting allows Muslims to gain sympathy for the hungry.
5. Pilgrimage—If it is financially and physically possible, Muslims are asked to make a pilgrimage to
What is the Qur’an?
The word Qur’an means: “That which is read, recited, or rehearsed."  When Muhammad died, there was not a complete manuscript of the Qur’an. Muhammad’s revelation was committed to memory by his companions. Various chapters were written down on pieces of bone, leather, leaves, and flat stones. Islamic tradition says that Abu Bakr was the first caliph (or leader of Islam), and made the first complete written copy of the Qur’an. The Qur’an in its present form was assembled around 646 AD. 
The Qur’an contains 114 surahs (or chapters) and was written in Arabic. Since the Qur’an was revealed to Muhammad in Arabic, any copy of the Qur’an that is translated into English or any other language is not officially considered the Qur’an nor a version of the Qur’an. Instead, it is considered a translation of the meaning of the Qur’an. 
Question 2: Do Christians and Muslims worship the same God?
Yes and no. Yes, in the sense that Christians, Jews, and Muslims all say that they worship the God of Abraham. And technically speaking, the word “Allah” simply means God, which means that Arabic-speaking Christians and Jews refer to God as “Allah."  To say that God is unique, omnipotent, just, merciful, has foreknowledge, and reveals God’s will, “then Jews, Christians, and Muslims can easily detect the selfsame God in the Lord of Judaism, in the triune God of the church, and in Allah." 
We can also answer this question in the negative. Lamin Sanneh asks the question: “If…Muslims and Christians worship essentially the same God, why do they not call themselves by one common name?"  Both Christianity and Islam make exclusive claims about God and religion. In the Qur’an we read, “The true religion with Allah is Islam” (Surah ). And, “Today I have perfected your religion for you, and I have completed my blessing upon you, and I have approved Islam for your religion” (Surah 5:5). In the Bible we read Jesus’ words: “I am the way, and the truth, and the life; no one comes to the Father but by me” (John 14:6). So both Christianity and Islam make particular claims about the God they worship.
Both religions claim the God of Abraham, but how this plays out is very different. Sanneh explains: “Islam and Christianity both agree (and are similar here) that truth cannot coexist with its opposite, and is embodied in obedience." . Hence, the religions as practiced are different despite any perceived similarity in the object of worship.