Презентация, доклад на тему Математика пәнінен Жай бөлшектер мен аралас сандарды көбейту презентация (5класс)

Топқа бөлу-divide in four groups 1 Proper fraction 2 Imroper fraction 3 Mixed number 4 Natural number

Слайд 1
The topic of our today’s lesson is

Multiplication Fractions and Mixed

Numbers


5th Grade Math
The topic of our today’s lesson isMultiplication Fractions and Mixed

Слайд 2Топқа бөлу-divide in four groups
1 Proper fraction
2 Imroper fraction


3 Mixed number
4 Natural number
Топқа бөлу-divide in four groups 1 Proper fraction 2 Imroper fraction 3 Mixed number 4 Natural number

Слайд 3



The topic of our today’s lesson is
Multiplication Fractions and Mixed

Numbers


5th Grade Math
The topic of our today’s lesson isMultiplication Fractions and Mixed

Слайд 4

Multiplication Fractions and Mixed

Numbers
Жай бөлшектерді және аралас
сандарды көбейту
Умножение простых и
смешанных дробей
5th Grade Math
Multiplication Fractions and Mixed

Слайд 5
The goal of our lesson is
To repeat in English the

theme “Multiplication of fractions” using new technologies
The goal of our lesson isTo repeat in English the theme “Multiplication of fractions” using new

Слайд 6
Let’s try to say the statements on the topic in

3 languages
Let’s try to say the statements on the topic in 3 languages

Слайд 7
Show the correct coulours

Show the correct coulours

Слайд 8
Let’s work in Tarsia program and make a shape

Let’s work in Tarsia program and make a shape

Слайд 9 Let’s enter the Kahoot program

Let’s enter the Kahoot program

Слайд 10Let’s try to say the statements on the
topic in 3

languages
Let’s try to say the statements on the topic in 3 languages

Слайд 11Way 1 : Multiplying 2 fractions:

1. Multiply numerators.

2. Multiply denominators.

3. Simplify.
Instruction~

Way 1 : Multiplying 2 fractions:1. Multiply numerators.2. Multiply denominators.3. Simplify.Instruction~

Слайд 12Multiplying Fractions
×
=
Multiply the numerators
Multiply the denominators
Simplify, if necessary
4 x 1 =

4

7 x 3 = 21

Multiplying Fractions×=Multiply the numeratorsMultiply the denominatorsSimplify, if necessary4 x 1 = 47 x 3 = 21

Слайд 13Way 2 : Multiplying 2 fractions:

1. Simplify first by finding the

greatest common factor of any numerator & any denominator (diagonally – in an X pattern.)

2. Multiply numerators.

3. Multiply denominators.

Instruction~

Way 2 : Multiplying 2 fractions:1. Simplify first by finding the greatest common factor of any numerator

Слайд 14Multiplying Fractions
x
×
1
3
1
2
If possible, simplify first by finding the greatest common

factor of the numerator & the denominator diagonally (in an X pattern) and then divide by that number.

Multiply Numerators: 1 x 2 = 2

Multiply Denominators: 1 x 3 = 3

_______________________________________

=

Multiplying Fractions x×1312If possible, simplify first by finding the greatest common factor of the numerator & the

Слайд 15Multiplying Fractions
x
36
Change the whole number into a fraction
x
1
6
=
30
=
=

Multiplying Fractionsx36Change the whole number into a fractionx16=30==

Слайд 16How to multiply mixed numbers:

1. Change mixed numbers to improper fractions.

2.

Simplify by finding the greatest common factor of any numerator & any denominator.

3. Your answer will be an improper fraction. Divide to get a mixed number as your final answer.

Instruction~

How to multiply mixed numbers:1. Change mixed numbers to improper fractions.2. Simplify by finding the greatest common

Слайд 17Multiplying Mixed Numbers
x
=
=
Change mixed numbers to improper fractions.
If possible, simplify first

by finding the greatest common factor of the numerator & the denominator diagonally (in an X pattern) and then divide by that number.

Your answer will be an improper fraction. Divide to get a mixed number as your final answer.

Multiplying Mixed Numbersx==Change mixed numbers to improper fractions.If possible, simplify first by finding the greatest common factor

Слайд 19
9

8

11


9       8

Слайд 23 Тремя девятками.

Выразите 10 тремя девятками. Укажите, по

крайней мере два способа.

Решение: 1 способ:


2 способ

Задача №1

Тремя девятками.  Выразите 10 тремя девятками. Укажите, по крайней мере два способа.  Решение: 1

Слайд 24 Двумя цифрами.

Какое наименьшее целое

число можете вы написать двумя цифрами?

Решение:

Наименьшее целое число можно написать двумя цифрами, но не 10, а единица, выраженная дробным числом.
Например:

Задача №2



Двумя цифрами.  Какое наименьшее целое  число можете вы написать двумя цифрами?

Слайд 25ҮЙ ЖҰМЫСЫ:


ҮЙ ЖҰМЫСЫ:№№

Слайд 26Сабақты қорытындылау
Маған сабақ ұнады
Тапсырмалар қызықты болды
Өзіңді бағалап көр 2—3—4—5

Сабақты қорытындылауМаған сабақ ұнадыТапсырмалар қызықты болдыӨзіңді бағалап көр 2—3—4—5

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