7.NS.1
That is the value of Q + R?
0
A number line with point A is given.
What is the distance from A to 0?
a. -3.5
b. |-3.5|
c. -7
d. |-7|
b
Which expression is modeled by the number line?
a. -2 x 3
b. -2 x -3
c. 0 x -6
d. -2 x -2
A
Select three fractions that are equivalent to -3/5.
a. -5/3
b. -3/5
c. -(3/5)
d. 3/-5
e. -(5/3)
f. 3/5
B, D, E
Select three prime numbers.
a. 2
b. 21
c. 47
d. 73
e. 76
a, c, d
A number line is given.
What is the distance between -3 and 4?
7
A number line is given.
Select two expressions that represent the distance between these two numbers on a number line.
a. |-9-5|
b. |5-(-9)|
c. |-9+5|
d. -9-5
e. -9+5
a and b
What is the product of -7 and 2?
-14
Which division equation is represented by the model below?
a. -12÷(-3)=4
b. 12÷(-4)=3
c. -3÷4=12
d. -12÷4=-3
D
What is the prime factorization of 63?
a. -3x7
b. 3x21
c. 3x(7^2)
d. (3^2)x7
D
An expression is given
-52 + 11
What is the value of the expression?
-41
What is the value of the expression 2.3-(-1.3)?
3.6
An expression is given.
(-1 1/2)(0.25)(-3)
What is the value of the expression?
1.125
-2.4
Enter the numbers to compete the prime factorization of 120.
________ x __________ x __________
(2^3)x3x5
A hiker walks from the top of a mountain to a river below.
- The hiker begins at an elevation of 850 feet above sea level.
- The hiker ends at a river 20 feet below sea level.
What is the total change in elevation during the hike?
870 ft
The air temperature becomes colder overnight.
- at 1:00 a.m. the temperature is -7 degrees F.
- at 3:00 a.m. the temperature is 5 degrees colder.
What is the temperature at 3:00 a.m.?
-12 degrees F
What is the value of -1.5(2/5 - 0.25)?
-0.225
An expression is given.
-5 ÷ -4.2
What is the value of the expression? Round to the nearest hundredth.
1.19
The prime factorization for 150 is given below.
2 x a x 5^b = 150
What are the values of a and b
a=3
b=2
The sum of a and b is c. The number line shows a and b.
Select all the statements about c that are true.
a. |a|<|c|
b. |a|=|c|
c. |a|>|c|
d. c<0
e. c=0
f. c>0
c and f
The difference od a-b is c. The number line shows a and b.
Which statements about c are true?
a. |a|<|c|
b. |a|=|c|
c. |a|>|c|
d. c<0
e. c=0
f. c>0
A and F
If r<0, s>0, t>0, select three true statements.
1. rs<0
2. rt<0
3. r(st)>0
4. r(s+t)<0
5. r(s+t)>0
6. rst=0
1, 2, 4
Create two fractions that are equivalent to -(7/8)
-7/8
7/-8
-(-7/-8)
Two students wrote the prime factorization for the number 83.
- student a wrote: 2^4 x 5 x 3
- student b wrote: 83
Identify which student is correct and explain your reasoning.
Student B
Explanations may vary.