Number Sense
Is 51 prime or composite?
Composite. 51 is divisible by 3.
Complete the following calculation:
3/5 + 4/6
19/15
What is 2/9 as a percentage?
22.2%
What is the name ofa polynomial with two terms?
Convert 124cm to dam
0.124 dam
What is the prime factorization of 720?
24 x 32 x 5
Jimmy rolls a regular 6 sided die and then picks a number between 1 and 3 at random. How many possible outcomes are there?
18
Complete the following calculation:
-7+(-2)(-14)
21
Translate the following sentence into an algebraic expression:
nine less than three times a number squared
3x2 - 9
A rhombus has an area of 57 cm2 and a long diagonal of 12 cm. Determine the measure of the small diagonal.
9.5 cm
What is the GCF and LCM of 24 and 18
GCF: 6
LCM: 72
Complete the following calculation:
one and two sevenths divided by three eighths
24/7
16 is 32% of what number?
50
Simplify the following algebraic expression:
2x - 3(7 - x) + 12
5x-9
Convert 27.3dm2 to mm2
273000 mm2
Complete the following chain of operations:
3+28 x 2 - (3+5)2 ÷ 2
27
(2/3)2 + 4/15 x 45/16
43/36
A deep-sea exploring ship is pulling up a diver at the rate of 25 feet per minute. The diver is 200 feet below sea level. How deep was the diver 10 minutes ago?
450 feet below sea level.
Solve the following equation:
2x/13=12
x=78
An isosceles trapezoid has bases measuring 12cm and 14cm, slanted sides measuring 7cm and a height of 6cm.
What is the area of this trapezoid?
78cm2
At an amusement park every visitor gets a gift. Every 2nd visitor gets a hat, every 16th visitor gets a t-shirt and every 28th person gets a backpack.
How often will a visitor receive all three items?
every 112th person will receive all 3 items
A coin is flipped and then a ball is picked out of a bag containing 3 red balls, 7 green balls, and 8 grey balls.
Calculate P(tails,grey ball).
P(tails, grey ball)=2/9
Joey bought a sweater regularly priced at $54.99, but that was on sale for 25% off. How much did Joey spend on the sweater after tax?
$47.41
Solve the following equation:
-(2x+5) + x = 7x +123
x=-16
A rectangle has a base measuring (2x+7)m and a height of 4m.
Determine a simplified algebraic expression for the perimeter AND area of this rectangle
P= 4x+22 m
A= 8x+28 m2