Transcript mult and div by 10 JS

Multiplying
by 10
PowerPoint Written by James Starbuck 2006
Thousands Hundreds
Tens
Units
Tenths
2
5
9
Hundredths
To multiply by 10 all the digits move one
space to the left.
Thousands Hundreds
2
Tens
Units
5
9
Tenths
Hundredths
0
To multiply by 10 all the digits move one
space to the left.
Multiplying
by 100
Thousands Hundreds
Tens
Units
Tenths
5
9
2
Hundredths
0
To multiply by 100 all the digits move two
spaces to the left.
Division by
10
Thousands Hundreds
2
Tens
Units
5
9
Tenths
Hundredths
To divide by 10 all the digits move one
space to the right.
Thousands Hundreds
Tens
2
Units
Tenths
5
9
Hundredths
To divide by 10 all the digits move one
space to the right.
Division by
100
Thousands Hundreds
2
Tens
Units
5
9
Tenths
Hundredths
To divide by 100 all the digits move two
spaces to the right.
Thousands Hundreds
Tens
Units
Tenths
Hundredths
9
0
To divide by 100 all the digits move two
spaces to the right.
Get your
whiteboard!
Red
Blue
0.05
0.8
Green
3.2
Yellow/White
12
Answers
0.5
8.0
32
X10
120
Red
Blue
Green
Yellow/White
0.18
1.2
5.67
25
Answers
1.8
12
56.7
X10
250
Red
Blue
Green
Yellow/White
2.34
3.24
1.8
2.3
18
23
Answers
23.4
32.4
X10
Red
Blue
Green
Yellow/White
0.8
1.2
5
2
Answers
80
120
500
X100
200
Red
Blue
Green
Yellow/White
4.23
1.25
5.1
0.23
Answers
423
125
510
X100
23
Red
Blue
Green
Yellow/White
42
23
5
2
Answers
4.2
2.3
0.5
0.2
Divide by 10
Red
Blue
Green
Yellow/White
532
234
32
21
Answers
53.2
23.4
3.2
2.1
Divide by 10
Red
Blue
Green
Yellow/White
12.3
14.2
3.2
2
Answers
1.23
1.42
0.32
0.2
Divide by 10
Red
Blue
Green
Yellow/White
532
234
320
210
3.2
2.1
Answers
5.32
2.34
Divide by 100
Red
Blue
Green
Yellow/White
3.2
34.2
332.1
253
Answers
0.032
0.342
3.321
2.53
Divide by 100
Well Done
Everyone!