6th Grade
Write a positive or negative integer that represents each situation.
A contestant gains 250 points on a game show.
+250, or 250
Compare 2 and −6 with < or >.
2 > −6
The estimates for the number of students in your school who prefer watching football are 164, 205, 287, 369, and 369. What is the range?
205
Simplify
40
1
Write 0.0000032 in scientific notation.
3.2 × 10−6
Gasoline freezes at 40 degrees below zero.
−40
−5 and −3
−5 <−3
You want to estimate the number of students in a high school who ride a bus to school. Which sample is unbiased?
a. 4 students in the hallway
b. all students on the soccer team
c. 50 twelfth-grade students at random
d. 100 students at random during lunch
D
Write 4.81 × 10–5 in standard form.
4.81 × 10−5
In 2017, the net worth of a businessman was $59,000,000. Write this number in scientific notation.
5.9 × 107
Order −4, 3, 0, −1, −2 from least to greatest.
−4, −2, −1, 0, 3
A number is greater than −8 and less than 0. What is the greatest possible integer value of this number?
-1
Thirty-five percent of households in the United States have a cat. Estimate the percentage of households that have a cat.
20,000 homes, 1960 have a cat
9.8%
The thickness of a science specimen is 3.5 × 10−3 feet. Write this number in standard form.
0.0035 ft
The area of a trampoline is about 1.8 3 104 square inches. Write this number in standard form.
18,000 in.2
A number is between −2 and −10. What is the least possible integer value of this number? What is the greatest possible integer value of this number?
−9; −3
Point A is on a number line halfway between −17 and 5. Point B is halfway between Point A and 0. What integer does Point B represent?
-3
The five estimates are that students spend 8.1, 8.4. 7.4, 8, and 8.3 hours on homework each week. Use all five samples to make one estimate for the mean number of hours students spend on homework each week.
8.04
Find the mean of the samples below:
7 .
7.3
7.7
66
8
9
4 hours
A series of movies is about 3.285 3 104 seconds long. How long does it take to watch the series twice?
18.25 h
What is the volume of the prism with length of 7/8, width of 1/2 and height of 5/8?
35/28 m3
Find the missing dimension of the prism.
Volume: 1792 in3
length: 16 inches
width: 7 inches
height: ?
find the value of h
16 inches
The estimates for students who like pop music are 336, 378, 420, 420, and 546. What is the median?
420
Sixty percent of vacationers enjoy water parks. Use technology to generate 20 samples of size 100. How closely do the samples estimate the percent of all vacationers.
No!
A company earns $518,204,500. Round the number. Write the result as a product of a single digit and a power of 10.
5 × 108 dollars