A Guide to A Guide to Mathematics Mathematics Ex Ex Name- Nomsita Haritashya Class- 6
Jun 23, 2015
A Guide to A Guide to MathematicsMathematics
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Name- Nomsita Haritashya Class- 6
Name- Nomsita Haritashya Class- 6
Fun withFun with Fractions Fractions
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• Fractions can and will help you in real life. In order to figure out how to make only part of a recipe because you do not want to feed ten people, but only five, fractions will be very helpful.
•You can use fractions to divide cake, or candy, and you will need fractions to help figure out percents.
•Fractions are useful when you buy paint to make your house look nice and for figuring how much interest you will pay to the bank when you take a loan.
•If u want to buy something so if it is not in ur budget u will buy it in installments so u can also count the money in fractions also.
The parts representing out of a whole.
Here u can see 1 pizza
It is divided into 6 equal parts
Now u have eaten a slice so, u have eaten 1 part from a whole means from 6 parts =
Fraction of eaten parts
The parts representing out of a whole.
Here u can see 1 chocolate
It is divided into 5 equal parts
Now u have eaten a piece so, u have eaten 1 part from a whole means from 5 parts =
Fraction of eaten parts
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The number in the NORTH is the
Numerator!
The number that is DOWN is the
Denominator!
2 is Green4 This is 1 whole
It is divided into 4 equal partsWe shade its 2 parts green
3 of the set are Apples5
Part of a set
2 of the set are Strawberries5
Naming Parts of a Whole
ThirdsThirds FourthsFourths
Tenths Tenths
Naming Fractional PartsThe flag of Nigeria has 3 equal parts. What fraction of the flag is green ?
Numerator Numerator
Denominator Denominator
Two Thirds of the flag is Green Two Thirds of the flag is Green Ans.Ans.
• You will be asked to order fractions from Greatest to Least (Descending order) and from Least to Greatest (Ascending order)
Ordering Fractions
2244
6688
1010Ascending
OrderAscending
Order
4466
881010 Descending
OrderDescending
Order
22
Least to greatest: 1 1 19 6 3
Ordering Fractions withDrawing A Picture
1 1 1 3 6 9
• EQUivALent means EQUAL!E.g. 2/4 is also equal to ½ (that means
half of an object)
Equivalent Fractions
We take a whole
We take a whole
We divide it into 4 equal parts
We divide it into 4 equal parts
We divide it into 2 equal parts
We divide it into 2 equal parts
2/42/4 ½½
• To find equivalent fractions…
Use bottoms up!
24 243 46 8
=
Cross Multiplication
24 24=
• A mixed number is a whole number and a fraction combined
Mixed Numbers
There are 3 whole apples and half apple so , it will be written as
• Count the WHOLEs first
• Then find the FRACTIONal part
Mixed Numbers
When a picture is not given, you have two choices:
1. Draw a picture and solve!
2. Do the math!
Finding Parts of a Set
Sol.Sol. 641
= =64
Use Bottoms Up!
16 6>Two-sixths is greater than one-eighth
Comparing Fractions…
2 16 8
Two-sixths is greater than one-eighth
Cross multiplication method
• USE YOUR STRATEGIES!!! Do not try to work out the problems in your head !!!
• Review all of the tricks and hints in this slideshow!
• Review your notes from class!
PRACTICE! PRACTICE! PRACTICE!
Fraction Problem Solving
Fraction Problem Solving
YOU’VE LEARNT FRACTIONS
So keep practicing !!!!
Time for Practice
34
What fraction of the balls are blue?
14
What fraction of the balls are orange?
56
What fraction of the balls are blue?
46
What fraction of the balls are orange?
What fraction of the rectangle is orange?
46
36
What fraction of the rectangle is blue?
44
What fraction of the pie is green?
1
1
1
1
Find the denominators of these fractions
Addition of Addition of FractionsFractions
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