Multiplication with Zeros
10 x 10=
100
10 / 5
2
4 x 8=
32
The answer to an addition problem
What is a Sum
4 x (10+2)
What is 48
50 x 5=
250
30 / 6
5
9 x 8 =
72
List 3 signal words for subtraction.
Answers may vary.
5n + n
6n
200 x 2 =
400
56 / 9
6 r 2
55 x 4 =
220
What is the answer to a multiplication called?
product
70-6+s= 70
s=6
12 x 20 =
240
46 / 6
7 r4
14 times 2
What is 28
450 divided by 2
What is 225?
7 x (t+5 )=56
t=3
1500 x 40 =
6,000
128 /4
31 r 4
41 x 4 =
What is 164
The Order of Operations
Parentheses, exponents, multiply, divide, add, subtract
(40+30) x r = 630
r = 9