# Lesson Category: Year 4

## Lesson 6 – Common Multiples & Least Common Multiples (L.C.M)

Objective: At the end of this lesson, students should be able to: Identify and write the common multiples of two or more numbers. Find the least common multiples (L.C.M) for two or more numbers. NOTE A common multiple (C.M) is a number that is a multiple of any two or more given numbers. Least common …

## Lesson 5 – Multiples

Objective: At the end of this lesson, students should be able to write the multiples of any given number. NOTE: The multiple of a given number is the result you get when you multiply the given number by another number. Example 1 Also, the given number can divide its multiple evenly without a remainder. Multiples …

## Lesson 4 – Common Factors And Highest Common Factor (H.C.F)

Objective: At the end of this lesson, students should be able to; Identify and write the factors common to two or more numbers. Tell the highest common factor of two or more numbers. NOTE: The highest common factor (H.C.F) is the highest number that divides exactly into two or more numbers. It is also called …

## Lesson 3 – Prime Factorization Of Numbers Using A Factor Tree

Objective: At the end of this lesson, students should be able to find the prime factors of numbers by using a factor tree. FACTOR TREE: A factor tree is a special diagram that shows a display of the factors of a number, then the factors of the new numbers until you can’t find anymore factors …

## Lesson 2- Prime Factors

Objective: At the end of this lesson, students should be able to write the prime factors of any given number. A prime number is a number that can only be divided by itself and by one. Prime factors are factors which are also prime numbers. NOTE: The prime factors of a number are the prime …

## Lesson 1 – Factors

Objective: At the end of this unit, students should be able to write all the factors of any given number. A number that divides exactly into another number without a remainder is a factor of that number. The pair of factors of a number can be multiplied to make that number. Any two numbers that …

## Lesson 7 – Word Problems

Objective: At the end of this lesson, students should be able to solve word or story problems involving division.  Some division keywords: Divided, half, how many, each, out of, quarter, quotient of. We use division in our everyday life. Example A bus carries 42 passengers. How many buses are needed to take 395 people to …

## Lesson 6 – Dividing Two Or More Digits By Two Digit Numbers

Objective: At the end of this lesson, students should be able to divide two digit numbers by two digit numbers using the long division method. Long division is a method of dividing numbers and It helps you divide numbers with ease. There are times you cannot easily tell what the answer will be when a …

## Lesson 5 – Long Division

Objective: At the end of this lesson, students should be able to divide numbers using the long division method. Long division is a method of division which helps you to divide numbers with ease. There are times you cannot easily tell what the answer will be when a number divides another number. Long division makes …

## Lesson 4 – Using Multiplication To Check Division

Objective: At the end of this lesson, students should be able to use multiplication to check division. Multiplication is the reverse of division. Multiplication can be used to check division. Study the example below carefully. Example 1 Example 2 Example 3

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