Number Theory
4,8,9 and 16 are all square numbers.
Is the statement true or false?
False. 8 is not a square number.
347+898=
1,245
An angle that is greater than 90° but less than 180 °
What are variables?
letters or symbols used to represent an unknown number
How many millimeters are in 1 meter?
1,000
What is the identity of Addition?
0 is the identity,
example: 5+0 = 5
Change 1⅞ to a improper fraction
15/8
Two drawings are similar if they have the same_____ but different ______.
shape, size
if x = 2, y= -3, and z = 5
what is the numerical value of 2x + y
1
this number is rational, true or false?
78.68245975279815424
false
Here is a set of numbers, {-3, -2, -1, 0, 1, 2, 3}
What group do they belong too?
rational/ integers
What percentage of 360 is 90
25%
Which of the following is the measure of an obtuse angle?
a) 35° b) 90° c) 105° d)270°
c) 105°
if x = 2 , y=3, z=4
solve 4x + 3y+ 2z
8+9+8
ans= 25
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
List all the factors of 55
1, 5, 11 and 55
5 ¾ - 2 ⅖
3 7/20
What is the difference between a ray and a line?
A ray has one end point while a line has none.
translate the following expression into an Algebraic Expression: three quarters of the product of two numbers p and r decreased by 5
3pr-5
4
Any number to the power of zero is equal to what?
1
Write 28 as a product of prime, factors.
2 × 2 × 7
34.5 ÷ 0.03
1150
Two angles in a triangle measure 45 and 90 degrees respectively. What is the measure of the third angle?
45 degrees
In 8 years Jasmine will be three times as old as she is now. How old is she now?
She is 4 yrs old now.
Four times a number decreased by six is thirty. Find the number.
9