Year 7 Fractions & Percentages Lesson

5 Slides • 10 Questions

1

Year 7 Fractions & Percentages

A Review

2

HCF and LCM

A factor is a number that can be divided into another number perfectly with no remainders. It can never be bigger than the given number
HCF (Highest Common Factor) is the biggest factor two or more numbers have in common
A multiple is a number that can be made by multiplying your given number with the counting numbers.It can never be smaller than the given number
LCM (Lowest Common Multiple) is the smallest multiple two or more numbers have in common

3

Multiple Choice

Which of the numbers is not a factor of 12?

1

2

3

4

5

6

4

Multiple Choice

Which of the following is a multiple of 5?

1

6

2

8

3

21

4

13

5

Multiple Choice

What is the HCF of 12 and 20?

1

5

2

4

3

6

4

3

5

2

6

Multiple Choice

What is the LCM of 3 and 4?

1

12

2

24

3

36

4

8

5

9

7

Types of Fractions

A proper fraction has a numerator that is always smaller than the denominator
An improper fraction has a numerator equal to or larger than the denominator
A mixed number is made of a whole number and a proper fraction
A fraction with a numerator equal to or is a multiple the denominator is also a whole number

8

Multiple Select

Select all proper fractions:

1

$\frac{2}{5}$

2

$\frac{3}{4}$

3

$\frac{5}{5}$

4

$1\frac{7}{9}$

5

$\frac{12}{6}$

9

Multiple Select

Select all whole numbers:

1

$\frac{5}{4}$

2

$\frac{7}{7}$

3

$\frac{11}{21}$

4

$\frac{12}{6}$

5

$1\frac{2}{3}$

10

Fractions on a number line

To find the denominator of a fraction, count the number of sections in one whole
Every section counted from 0 increases your numerator by 1

11

Multiple Choice

What is the fraction at $b$ ?

1

$\frac{2}{5}$

2

$\frac{2}{4}$

3

$\frac{3}{5}$

4

$\frac{3}{4}$

12

Multiple Select

What is the fraction at $a$ ?

(select all equivalent)

1

$\frac{6}{5}$

2

$\frac{1}{4}$

3

$\frac{5}{4}$

4

$1\frac{1}{4}$

13

Multiple Select

What is the fraction at $c$ ?

(select all equivalent)

1

$\frac{3}{4}$

2

$\frac{16}{4}$

3

$\frac{15}{4}$

4

$3\frac{3}{4}$

5

$4\frac{3}{4}$

14

Multiple Select

What is the fraction at $c$ ?

(select all equivalent)

1

$4\frac{2}{4}$

2

$\frac{19}{4}$

3

$\frac{18}{4}$

4

$\frac{2}{4}$

5

$5\frac{2}{4}$

15

Year 7 Fractions & Percentages

A Review

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