Order of Operations
Which operation would be done first?
9+7*3-(25÷5)+2
25 ÷ 5
Prime
NO
8*5
40
10÷2
5
Which operation would be performed 2nd?
10-5+20*(24÷3)
10-5
is 17 Prime or Composite?
Prime
is 11 a prime or composite number?
prime
12*12
144
25÷5
5
Which operation would be done LAST?
1+3-8*(9*7)
1+3
If the number ends in 0 or 5 is it prime or composite?
composite
Is 49 prime or composite?
composite
7*7
49
50÷2
25
What operation would be done first?
8-9+10+13
8-9
What kind of number is 1?
Neither prime or composite
What are the factors of 40?
1, 2, 4, 5, 8, 10, 20 and 40
10*20
200
32÷4
8
What operation would be performed FIRST?
45+13*(60÷5*15)
Which of these are prime numbers?
1 25 11 17 45
1,17,11
1 10 16 17 24 21
10,16,24,21
9*9
81
56÷4
14