Number Sense and Algebraic Thinking
Is the number 23 prime or composite?
prime
In a survey, 10 out of 50 respondents said that their favorite sport is hockey. What is that in a percentage?
20%
What is the area of a square with a side length of 7 feet?
49 square feet
3/4 * 2/3 = ?
1/2
0.32 + 0.065 = ?
0.385
Write out the prime factorization of 120 using exponents.
2^3 * 3 * 5
A baker cooks 15 cakes in 3 hours. How many cakes will be back in 8 hours? How many cakes does he bake per hour (unit rate)
40 cakes in 8 hours
5 cakes per hour
What is the BASE length of a parallelogram that has a height of 4.25 units and an area of 34 units squared?
8
1/8 + 5/12 = ?
13/24
Which is bigger: 40% of 20, or 30% of 30?
30% of 30 is bigger.
What is the greatest common factor of 1260 and 48?
12
Mean= average, Mode=most, Median= middle #
What is the mode of the following data set?
10, 12, 10, 15, 15, 10, 20, 25, 10, 18, 13
10 (because it is listed the most times in the data set)
If a rectangular prism has edge lengths of 2 cm, 5 cm, and 10 cm, what is its volume?
100 cubic cm
Divide 10/12 by 5/6.
1
1.4 x 0.36
0.504
If x=5 , then what is the value of 10x + 3x - 10 + 1 ?
56
A class got the following test scores test scores. 84, 93, 68, 100, 40 What is the average test score? (the mean)
77
On a map, the scale is 1/2 inch = 5 miles. How far apart are two cities in real life if they are 4 1/2 inches apart on the map?
45 miles
(5 - 2.8) / 0.11 = ?
20
To ride The Giant Dipper you must be at taller than 5 feet tall. Write and Inequality representing this information.
h > 5
order the following #'s from least to greatest
(hint: convert to the same type of number)
1/4, .33, 10%, 3/4, 2
10%, 1/4, .33, 3/4, 2
(.10, .25, .33, .75, 2.0)
What is the area of a triangle that has a base of 12 inches and a height of 6 inches
36 inches squared
Solve: Divide 7/12 by 5/6.
Write your answer as a mixed number in simplest form!
7/10
42.35 / 3.5 = ?
12.1