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Fractions Common Denominators Comparing Fraction Prime Factors.

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Presentation on theme: "Fractions Common Denominators Comparing Fraction Prime Factors."— Presentation transcript:

1 Fractions Common Denominators Comparing Fraction Prime Factors

2 Fractions have a numerator and denominator – Numerator is the top number – Denominator is the bottom number Fractions that are equivalent are equal in value even when there numbers are not

3 These can be created by multiplying or dividing the numerator and denominator by the same number What do you multiply by to get them equal?

4 Fill in the missing number: 1. 2. 3.

5 NumberRuleExample 2Number ends 0, 2, 4, 6, 8208, 116, 810 3Sum of digits divisible by 3342 4 Number formed by the last two digit divisible by 4 624 5Number ends with 5 or 025, 3005, 200 6Number is divisible by 2 and 3342 9Sum of the digits is divisible by 9810, 720, 612 10Number ends in 0800, 900, 640

6 342 is divisible by 3 – 3 + 4 + 2 = 9 – 9 ÷ 3 = 3 342 is divisible by 2 because the last digit is 2 – 342 342 is also divisible by 9 – 3 + 4 + 2 = 9 – 9 ÷ 9 = 1

7 Tell what each number is divisible by: 1.1,268,005 2.4,230 3.1,782 1.5 2.10, 5, 2, 3, 9, 6 3.2, 3, 9, 6

8 Text – Subtext


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