Rational Numbers
1/4 + 11/5
49/20 or 2.45
|-3*49|
147
55/252
5
The sum of a number and its opposite is 0.
What is Additive Inverse?
List all prime numbers less than 20 but greater than 0.
2,3,5,7,11,13,17,19
1 and 3/5 minus 4 and 1/6
-77/30 or -2.5(6)repeating
Find the value of |a|/a if a > 0.
1
(22)(2-5)(23), justify your answer
1
If a, b, c > 0 then a(b+c)=ab+ac
What is the distributive property?
A company planned to donate 640 packs of cookies, 320 bottles of mineral water, and $800 worth of cash to a senior center. Suppose the maximum number of cookies, bottles of mineral water, and cash are to be placed equally in gift bags before the donation. How many gift bags are needed?
160 bags
2 and 2/9 times negative 3 and 3/5.
-8
If a and b are both less than zero, what is (-a) + (-b)
a + b
275/3
243
The number the that is being raised to a power.
What is a base of an exponent?
Mrs. Moss has 3 school going children. The product of their ages, herself included is 20,295. What is the age of Mrs. Moss?
41 years old
(-2.75)/(-0.0005) (express answer in scientific notation)
5.5 x 103
If a > 0 and b < 0 and 0 < c < a what is (a - b) + (c - a)
b + c
(3x2y)5/(9x-4y3)-2, leave answer in exponential form.
39x2y11
What is prime factorization?
Suppose that Anthia cut out 5/14 of a cake for herself, Harris took 2/3 of the remaining portion, and Leo was given the rest. Express the portion of cake Leo received as a rational number in simplest form. Who had the biggest portion?
Leo received 3/14 of the cake, and Harris received the largest portion.
[-1/4 - (-1/6)] / [1/3 + 1/2]
-1/10
Suppose a < 0, b > 0, what is the sign of
(a3b4)/(a-4b5), show reasoning.
negative
(100/81)-1/2 divided by
(3-2/5)-1
1/50
If b is not 0 the a/b = a * 1/b.
What is the definition of division?
A costal patrol boat moved out from a naval base at 8 pm. It was patrolled eastwards for 21 km, westwards for 15 km and then eastwards 6 km before turning off its engine. Suppose that throughout the patrol, the boat moved at 30 km/hr. How far away and in what direction was the boat from the naval base when it stopped? At what time did the boat stop?