Multiplying by 10 PowerPoint Written by James Starbuck 2006

Multiplying by 10

PowerPoint Written by James Starbuck 2006

Hundreds Tens Units Tenths HundredthsThousands

To multiply by 10 all the digits move one space to the left.

2 5 9

Hundreds Tens Units Tenths HundredthsThousands

To multiply by 10 all the digits move one space to the left.

2 5 9

0

Multiplying by 100

Hundreds Tens Units Tenths HundredthsThousands

To multiply by 100 all the digits move two spaces to the left.

25 9

0

Division by 10

Hundreds Tens Units Tenths HundredthsThousands

To divide by 10 all the digits move one space to the right.

2 5 9

Hundreds Tens Units Tenths HundredthsThousands

To divide by 10 all the digits move one space to the right.

2 5 9

Division by 100

Hundreds Tens Units Tenths HundredthsThousands

To divide by 100 all the digits move two spaces to the right.

2 5 9

Hundreds Tens Units Tenths HundredthsThousands

To divide by 100 all the digits move two spaces to the right.

9

0

Get your whiteboard!

Red Blue Green Yellow/White

0.05 0.8 3.2 12

X10

0.5 8.0 32 120

Answers

Red Blue Green Yellow/White

0.18 1.2 5.67 25

X10

1.8 12 56.7 250

Answers

Red Blue Green Yellow/White

2.34 3.24 1.8 2.3

X10

23.4 32.4 18 23

Answers

Red Blue Green Yellow/White

0.8 1.2 5 2

X100

80 120 500 200

Answers

Red Blue Green Yellow/White

4.23 1.25 5.1 0.23

X100

423 125 510 23

Answers

Red Blue Green Yellow/White

42 23 5 2

Divide by 10

4.2 2.3 0.5 0.2

Answers

Red Blue Green Yellow/White

532 234 32 21

Divide by 10

53.2 23.4 3.2 2.1

Answers

Red Blue Green Yellow/White

12.3 14.2 3.2 2

Divide by 10

1.23 1.42 0.32 0.2

Answers

Red Blue Green Yellow/White

532 234 320 210

Divide by 100

5.32 2.34 3.2 2.1

Answers

Red Blue Green Yellow/White

3.2 34.2 332.1 253

Divide by 100

0.032 0.342 3.321 2.53

Answers

Well Done Everyone!