Learn Math Part 23
Review: Teddy Left work at 3:00 he has to go the the mail office. It closes at 5:00. It took him 1 hour and 55 minutes. Will he have time to go the post office?
yes 4:55
35 c 43
55.4
84/2/7
84/2=42/7=6
100
hundred
|74|
74
Example 1: 25 10 c
1. do 252+102=725
2. square root of 725 is 26.9
Example 2: 15 b 30
1. 152+b2=302
2. 152=225 302=900
3. subtract 900-225=675
4. square root of 675 is 25.9
30 10 c
31.6
50 26 c
56.3
512/2
256
1000
thousand
|-32|
32
Example: 512/8/8
1. just divide 512/8=64/8=8
64/2/8
64/2=32/8=4
15 b 40
37.08
925/5/5
925/5=185/5=37
1000000
million
|0.5|
0.5
Example: 10
1. that ten
1
ones
6 b 16
14.8
126/5
25.2
0.1
tenth
1/8
Review: |65|
distance from 0
65
a 5 10
8.6
125/5/4
125/5=25/4=6.25
0.001
thousandth
|-754|
754