True or false. 0 is a whole.
True, 0 is a whole number.
Solve for a.
2a = 10
a = 5
10
What does the "E" mean in PEMDAS?
"E" is exponents.
Is 5 + 3 = 3 + 5 true? Yes or no.
Yes, it is true by the commutative property of addition.
Is 10 an integer? Yes or no.
Yes, 10 is an integer.
Solve for j.
4j = 48
j = 12
Is 3 times 4 equal to 13? Yes or no.
No, 3 times 4 is equal to 12.
Use the distributive property.
5(3y + 8)
15y = 40
True or false. 0 = 0 times 3
True, this is zero property of multiplication.
An example of a whole number.
0, 1, 2, 3, . . .
Solve for s.
10s = 120
s = 12
What is 7 times 7?
7 times 7 equals 49
Combine like terms.
2y + 8y
10y
Is 3(7) = 7(3) equivalent?
Yes, 3(7) = 7(3) is equivalent because 21 = 21.
Is 23 a rational number?
Yes, 23 is a rational number.
Solve for t.
9t = 81
t = 9
What is 11 times 10?
11 (10) = 110
Simplify the expression.
8z + 4 + 8z
16z + 4
Is 2 + (3 + 4) = (2 + 3) + 4 equivalent?
Yes, 2 + (7) = (5) + 4 --> 9 = 9. This is the associative property.
Is 5 a whole number, an integer, and a rational number? Yes or no.
Yes, 5 is a whole number, an integer, and a rational number.
Solve for h.
5h + 5 =10
h = 1
There are 25 students in a class. How many desks are in 5 groups?
There are 5 desks in each group.
22 + 5(r + 3)
5r + 19
What is Today's Date on the Whiteboard?
4/21/25