Order Of Operations
4 x 3 + 3
15
4 x 3 = 12
12 + 3 = 15
8 x 6
48
Margaret Craighill helps 7 soldiers out of 93 how many have not been treated by her yet?
86
93 - 7 = 86
42/2
21
21 x 2 = 42
63 - 21
42
34 - 10 x 2
14
10 x 2 = 20
34 - 20 = 14
6 x 12
72
Josephine Baker has to act out four shows every night for two weeks. by the end of those weeks, how many shows will she have done.
56 shows
1 week = 7 days
4 shows/ 1 day
4 x 14 = 56
36/4
9
9 x 4 = 36
64 - 37
27
2 + 6 x 7
44
6 x 7 = 42
42 + 2 = 44
13 x 3
39
Hazel Ying Lee is going on a flight. She flies over 4 farms. Each has twenty-three cows grazing. How many cows are there in total, if she passes 6 more farms, each with as many cows?
230
4 + 6 = 10
10 x 23 = 230
60/12
5
12 x 5 = 60
91 - 28
63
6 + 8 x 3 - 5
25
8 x 3 = 24
24 + 6 = 30
30 - 5 = 25
15 x 4
60
Virginia plans to send a message to America 76 minutes after 5:34, when will she send the message
6:50
76 mins = 1 hr 16 mins
5:34 + 1 hr 16 mins
= 6:50
93/3
31
3 x 31 = 93
901 - 237
664
What is an exponent?
2 x 42
42 = 4 x 4
= 16
16 x 2 = 32
what is n! ?
find 5!
120
1 x 2 x 3 x 4 x 5
2 x 3 x 4 x 5
6 x 4 x 5
24 x 5
120
Virginia Hall's radio will run 560 minutes in total every day. It will run 28 different times over 2 days. How many minutes will each of the runs be, if they're all an equal amount of time?
40 minutes
28/2=14
560/14= 40
Long division?
1365/5
273
drawn on paper
1261-627
634