State whether this is an example of the Commutative Property of Addition:
w + (x+y) = (x+y) + w
Yes
100
What is the symbol for absolute value?
What is l x l
100
What are the steps you take when adding a negative and positive number together?
1. Subtract the smaller number from the bigger number.
2. Look at the sign on the bigger number. If the sign is negative then your answer is negative. If the sign is positive then your answer is positive.
100
Simplify 17 - -5
Q10
What is 22
100
How far does the minute hand of a clock turn in
a. 15 minutes
b. 1 minute
What is 90˚ and 6˚
200
Use the Associative Property of Addition to rewrite the expression:
(22 + 33) + 44
What is 22 + (33 + 44)
200
When is the only time that the absolute value of a number will be negative?
When the negative sign is on the outside of the absolute value.
200
Simplify 50 + -13
Q6
What is 37
200
Simplify -42 - 8
Q11
What is -50
200
Given -40, 60, and 100, construct a fact triangle that relates the numbers and the related facts.
Q13
What is
-40 + 100 = 60
60 - 100 = 40
60 - -40 = 100
300
State whether this is an example of the Associative Property of Addition and explain why:
(8+3) + 7 = (3+8) + 7
No. The 8 and the 3 are switched when instead the parenthesis should be.
300
Evaluate
l -23+48 l
What is 25
300
Simplify -37 + 91
Q7
What is 54
300
Simplify -3 - -9
Q12
What is 6
300
A recipe calls for B cups of blueberries, O cups of oranges, and A cups of apples, for a total of F cups of fruit. Write and equation relating B, O, A, and F.
Q14
What is B+0+A = F
400
Define Commutative Property of Addition using variables.
Q1
What is a+b = b+a
400
Evaluate l26l + l-50l - l-16l + -l-14l
What is 46
400
Represent the following addition problem using a number line (Slide Model).
23 + -41
Q4
What is -18
400
Represent the following subtraction problem on a number line (Slide Model). -20 - 30
Q8
What is -50
400
The temperature outside is 86˚ until it rains which brings the temperature down T degrees. Write an expression for the decrease in temperature.
Q15
What is 86 - T
500
Define Associative Property of Addition using variables.
Q2
What is (a+b) + c = a + (b+c)
500
Define Absolute value
Q3
What is the distance a number is from zero.
500
Represent the following addition problem using a number line (Slide Model).
-15 + 4
Q5
What is -11
500
Represent the following subtraction problem on a number line (Slide Model). -53 - -41
Q9
What is -12
500
Rewrite the expression 5-3 using the algebraic definition of subtraction.
Q16