Number Sense
(-2.5)+(-3.5)
-6
Find 90% of 840.
756
What is 5038 raised to the zero power?
1
Simplify 5b+7b-2b .
10b
How long does it take to travel 360 km at an average rate of 100 km/hr? Answer in hours and minutes.
3 hours and 36 minutes
(+3)x(-2.5)
-7.5
Write 125% as a mixed number.
1 1/4
Simplify and write your answer as a power of 2:
2^8 xx 2^5/2^3
2^10
Simplify 8x-4y-10x+6y .
2y-2x
Which of the following numbers is not like the other numbers and why?
1, 3, 5, 7, 11, 13, 17, 19
1. It's not prime
Decrease 300 by two-fifths
180
Round 34.03529 to five significant figures.
34.035
What is the square root of 0.25?
0.5
What times 4 plus 10 is 58?
12
A solid rectangular prism has dimensions 10 cm by 8 cm by 4 cm. A cube of sides 3 cm is cut from the rectangular prism. What is the volume of the remaining figure?
293 cubic centimeters
What is 8:05 pm on a 24-hour clock?
20:05
200 km
Simplify:
sqrt((5^3xx4^2)/(2^2xx5)
10
If the product of two numbers is 0, then what must be true about at least one of the numbers?
What is 750 mL more than 1.25 L?
2 L
Increase half of 140 by one-fifth
84
Mike makes a pizza. He eats 1/2, his sister eats 1/6, and his brother eats 1/8. What percent of the pizza is left? Round to the nearest whole percent.
21%
Simplify:
11xx198^0+1
Solve for the variable x:
4x-1=8x-9
x=2
The formula (n-2)xx180^circ is the formula for what in geometry?
The sum of the interior angles of a polygon.