Add/Sub +/-
In the equation p – q = p + (−q) why is subtracting q the same as adding its opposite?
Because adding a negative is the same as subtracting a positive
Solve 9(-7)
-63
-4.2 + 7.8
3.6
Skip count by 3s
3, 6, 9, 12, 15, 18, 21, 24, 27, 30
Given the set { 8, 7, 9, 56, 7, 2, 6, 21, 9, 65, 8 }
What is the mode?
7, 8, 9
how would you describe the movements on a number line (starting at zero) for −3+5?
Moving 3 units left, then 5 units right on a number line
-42÷(-7)
6
-3/4 – 2/3, write your answer in simplest form.
-1 5/12
Skip count by 9s
9, 18, 27, 36, 45, 54, 63, 72, 81, 90
What mathematical function is the vocab word Product referring to?
multiplication
A submarine starts at sea level, descends 120 meters, then rises 45 meters. Where is it now?
75 meters below sea level
23 x 7
161
2.5(-0.8)
-2
Skip count by 4s
4, 8, 12, 16, 20, 24, 28, 32, 36, 40
Given the set { 8, 7, 9, 56, 7, 2, 6, 21, 9, 65, 8 }
What is the median?
8
What is 8 − (−3)
11
81÷(-3)
-27
What is the product of -3/4 and 2/5
-3/10
Skip count by 8s
8, 16, 24, 32, 40, 48, 56, 64, 72, 80
What mathematical function is the vocab word quotient referring to?
division
What is −3 − (−8)?
5
7 x 4 ÷ 2
14
What is 9/10 ÷ -3/5? Write your answer in simplest form.
-1 1/2
Skip count 6s
6, 12, 18, 24, 30, 36, 42, 48, 54, 60
Given the set { 8, 7, 9, 56, 7, 2, 6, 21, 9, 65, 8 }
What is the mean?
18