Maths : Number Types And Properties Yr 7

Question 1

What is the symbol for ‘equal to’?

Answer 1

=

Example: 2 + 2 = 4

Question 2

What symbol represents ‘not equal to’?

Answer 2

#

Example: 2 # 4

Question 3

What does the symbol ‘>’ represent?

Answer 3

Greater than

Example: 5 > 3

Question 4

What does the symbol ‘<’ represent?

Answer 4

Less than

Example: 4 < 5

Question 5

What does the symbol ‘≥’ mean?

Answer 5

Greater than or equal to

Example: x ≥ 7

Question 6

What does the symbol ‘≤’ indicate?

Answer 6

Less than or equal to

Example: X ≤ 6

Question 7

What is a power?

Answer 7

5 cubed (5³): 5 * 5 * 5 = 125
Something like this

Question 8

What is a root?

Answer 8

A root is the inverse operation of a power. It asks the question : What number when raised to a certain power gives you a specific result? The most common root is the square root.

Question 9

What is an ODD NUMBER?

Answer 9

A number that cannot be divided evenly by two

Examples include 1, 3, 5, 7, 9, 11 etc.

Question 10

Define a PRIME NUMBER.

Answer 10

Numbers greater than 1 that have only two factors: 1 and itself

Examples include 2, 3, 5, 7, 11 etc.

Question 11

What is a CUBE NUMBER?

Answer 11

Numbers that are a product of a number multiplied by itself twice

Example: 1 = 1^3

Question 12

What are WHOLE NUMBERS?

Answer 12

Non-negative integers

Examples include 0, 1, 2, 3, 4 etc.

Question 13

Define an EVEN NUMBER.

Answer 13

Numbers that can be divided evenly by 2

Examples include 2, 4, 6, 8, 10, 12, 14 etc.

Question 14

What are SQUARE NUMBERS?

Answer 14

Numbers that are the product of a number multiplied by itself

Example: 1 = 1^2

Question 15

What are NATURAL NUMBERS?

Answer 15

Positive whole numbers

Examples include 1, 2, 3, 4 etc.

Question 16

Define INTEGERS.

Answer 16

Whole numbers and their negatives

Examples include -3, -2, -1, 0, 1, 2, 3 etc.

Question 17

What are RATIONAL NUMBERS?

Answer 17

Numbers that can be expressed as a fraction P/Q, where P and Q are integers and Q is not equal to 0

Examples include 1/2, 3/4, -2/5, 5, 0.25 etc.

Question 18

What are FACTORS?

Answer 18

Numbers that divide exactly into another number

Example: The factors of 12 are 1, 2, 3, 4, 6, and 12.

Question 19

Define PRIME FACTORS.

Answer 19

Factors that are prime numbers

Example: Prime factors of 12 are 2 and 3.

Question 20

What does PRODUCTS OF PRIME FACTORS mean?

Answer 20

Expressing a number as a product of its prime factors

Example: 6 can be written as 2 x 3.

Question 21

What is HCF?

Answer 21

The largest factor that two or more numbers share

Example: HCF of 12 and 18 is 6.