156+345=
501
4,8,9 and 16 are all square numbers.
This is true or false?
false 8 is not a square number.
145+982=
230+388=
1127
618
if x = 2, y= -3, and z = 5
what is the numerical value of 2x + y
1
solve or x
3x + 2 + 2x = 7
5x=7-2
5x=5
x = 1
346-456
-110
What is the identity of Addition?
0 is the identity,
example: 5+0 = 5
Change 1⅞ to a improper fraction
15/8
if x = 2 , y=3, z=4
solve 4x + 3y+ 2z
8+9+8
ans= 25
this number is rational, true or false?
78.68245975279815424
false
-34-5
-39
here is a set of numbers, {-2, -1, 0 1 2 3}
what group do they belong too?
Integers
What percentage of 360 is 40
11.1%
simplify
–4 + 8p – 6p – 5 + 20p
-9 + 22p
A number is rational if it can be expressed as a fraction, p/q where 'p' and 'q' are integers and the denominator is not 0.
true or false?
true
What do The each of the BODMAS letters stand for?
Brackets
Order
Division
Multiplication
Addition
Subtraction
Give me the definition of a factor. If you can't, give an example of a factor and why.
From the perspective of division, any number that divides another number “ x “ without leaving a remainder is a factor of x.
From the perspective of multiplication, any integer that multiplies with another integer to get the answer “ x “ is a factor of x.
5 ¾ - 2 ⅖
3 7/20
remove brackets and simplify
3(5x+3y) - 2(4x+7y)
15x + 9y - 8x -14y
15x -8x +9y - 14y
ans: 7x - 5y
Any number to the power of zero is equal to what?
1
5316 ÷ 6
886
Write 720 as a product of prime, factors.
2 × 2 × 2× 2 × 3 × 3 × 5
34.5 ÷ 0.03
1150
solve for x
4x - 2 + 6x - 4 =64
4x + 6x = 64 + 2 +4
10x=70
x = 7
why does our number system use 10 symbols?
we have 10 fingers