Powers
A power is a way of representing or showing...
Repeated multiplication
The square root of 100 is...
10
How can you tell a number is divisible by 5 just by looking at it?
If the last digit is a 0 or a 5.
A square yard has an area of 100m2 . What is the distance around the square?
40m
The base of a power tell us...
What is the square root of 52?
7.2
A number that is divisible by 2 and 3 is also divisible by...
6
What is 73 as repeated multiplication?
7x7x7
How many times the base is multiplied to itself.
What is the square root of 82?
8
Is the number 720 711 divisible by 3?
Yes - the sum of the digits is 18 and 3 is a multiple of 18.
Calculate 45
1024
When a number is "cubed" what is the exponent?
3
What is a perfect square?
When the square root is a whole number
Is the number 531 325 divisible by 9?
No - the sum of the digits is 19 which is not divisible by 9, so the whole number is not divisible by 9.
Which is greater 92 or 34?
They are equal (81)
A number that is "squared" has an exponent of...
2
What is the square root of 1200?
34.6
Any number that ends is 0 is divisible by...
2, 5, and 10
No - 32 is 3x3 = 9 and 23 is 2x2x2 = 8.