Integers
-5-(-23) = ____
18
What is the LCM of 9 & 15?
45
5/6 x 2 2/5 = _____
2
What is 18% as a decimal?
0.18
What is the exponential form of (-10) x (-10)?
&
What is the value of (-10) x (-10)?
(-10)2 = 100
The water level at a lake was -14 feet. After 3 days of rain, the water level rose by 23 feet. What is the water level after the rain?
9 feet
-14 + 23 = 9
-5/6 + 3/8 = ____
-11/24
2 1/4 x 2 2/3 = ____
6
What is 0.08 as a fraction in simplest form?
2/25
What is the square root of 625?
25
-180 divided by -6 = ____
30
5/4 - (-11/12) = ____
2 1/6
8 1/4 divided by 6
1 3/8
What is 5/9 as a percentage?
55.555...%
Estimate the square root of 53.
~ 7.3
(7.2, 7.3, 7.4)
A skier descended a mountain at a rate of 14 feet per second. What was their total change in elevation after 8 seconds?
-112 feet
-14 x 8 = -112
3 1/3 + (-1 1/2) = ____
1 5/6
Nikki exercised for 180 minutes. Three-fifths of those minutes were spent running. How many minutes were spent running?
108 minutes
What is 4.5% as a fraction in simplest form?
9/200
Write the standard form of:
5.51x10-4
0.000551
Nina has $40 in the bank. She writes a check for $63, deposits $80 and writes another check for $140. What is her new balance?
-$83
40+(-63) = -23
-23+80 = 57
57 + (-140) = -83
What is the difference in height between a rose bush that is 3'9" and Emma who is 5.5 ft tall?
1 3/4 ft. (or 1.75 ft)
3'9" = 3 ft 9 in. = 3 3/4
5.5 = 5 1/2
After a barbeque, Jim has 3 3/5 pounds of fruit left. If he splits the fruit into 2/5 pound portions, how many portions will he have?
9
6.2 x 1.4 = ___
8.68
Write the following number in scientific notation:
21,900,000
2.19x107