Numbers in Standard Form
Interpreting Numbers in Standard Form
Mental Maths
Groups of Animals
Where is it?
100
Write 5 × 10¹ in standard notation.
What is 50?
100
Identify if the standard form is written correctly and state why?
2 x 1010.5
Incorrect standard form because 'n' must be a whole number and cannot be 10.5
a x 10n
100
What is the value of 2 + 3 × 4?
What is 14?
(First multiply: 3 × 4 = 12, then add: 2 + 12 = 14)
100
This is the term for a group of lions.
What is a pride?
100
Where is the Eiffel Tower located?
What is France?
200
Write the number 7.25 × 10³ in standard notation.
What is 7,250?
200
Identify if the standard form is written correctly and state why?
0.9 x 10-2
Incorrect standard form because 'a' must be a number greater than, or equal to 1, and less than 10.
Therefore 'a' cannot be 0.9 because it is less than 1.
a x 10n
200
What is the value of (6 + 2) × 5 – 4?
What is 36?
(First parentheses: 6 + 2 = 8, then multiply: 8 × 5 = 40, then subtract: 40 – 4 = 36)
200
A group of crows is known by this ominous name.
What is a murder?
200
Where is the Taj Mahal located?
What is India?
300
Write the number 4.06 × 10⁻² in standard notation.
What is 0.0406?
300
Identify if the standard form is written correctly and state why?
4.721431709 x 10-3
Yes, it is in standard form because 4.721431709 x 10-3 meets all criteria of a x 10n.
'a' is a number greater than or equal to 1 and less than 10.
'n' is an integer or whole number.
If 'n' is negative, then we are dealing with a small number less than 1.
300
What is the value of 12 ÷ (2 × 2) + 3 × (4 – 1)?
What is 12
(First inside parentheses: 2 × 2 = 4, so 12 ÷ 4 = 3; next: 4 – 1 = 3, then 3 × 3 = 9; finally, add: 3 + 9 = 12)
300
This is the name for a group of owls.
What is a parliament?
300
Where is Machu Picchu located?
What is Peru?