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Multiplying and Dividing with Standard Form

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by

Mr Mattock

on 7 November 2016

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Transcript of Multiplying and Dividing with Standard Form

Multiplying and Dividing with Standard Form
Converting the answer to standard form
4.3 x 10 x 8 x 10 =


2 x 10
5 x 10
Starter
START ANSWER

56 >> ÷ 8 , square , + 3 , ÷ 2 , ÷ 2 , x5 , x3 , ÷ 5 , - 11 ………….

9 >> x 20 , -4 , ÷ 11 , x 3 , +4 , ÷ 4 , -4 , ÷ 3 , square ………….

70 >> ÷ 2 , ÷ 5 , x3 , x4 , ÷ 12 , +5 , ÷ 6 , x40 , ÷ 5 ………….

1 >> +11 , square , ÷ 4 , +30 , ÷ 11 , -1 , x 7 , x2 , -15 ………….

41 >> +4 , ÷ 9 , x8 , ÷ 5 , x9 , ÷ 2 , +8 , ÷ 11 , x30 …………
Multiplying and Dividing with Standard Form
3 x 10 x 1.7 x 10 =


9 x 10
1.8 x 10
L.O. - To multiply or divide two numbers
given in standard form, giving the answer in standard form.

Starter
START ANSWER

56 >> ÷ 8 , square , + 3 , ÷ 2 , ÷ 2 , x5 , x3 , ÷ 5 , - 11 …
8
.

9 >> x 20 , -4 , ÷ 11 , x 3 , +4 , ÷ 4 , -4 , ÷ 3 , square …
9
.

70 >> ÷ 2 , ÷ 5 , x3 , x4 , ÷ 12 , +5 , ÷ 6 , x40 , ÷ 5 …
16
.

1 >> +11 , square , ÷ 4 , +30 , ÷ 11 , -1 , x 7 , x2 , -15 …
55
.

41 >> +4 , ÷ 9 , x8 , ÷ 5 , x9 , ÷ 2 , +8 , ÷ 11 , x30 …
120
.
2
-5
2
-5
=
Multiplying and Dividing with Standard Form
3 x 10 x 1.7 x 10 =
3 x 1.7 x 10 x 10
=
5.1 x 10

9 x 10
9 10
1.8 x 10
1.8 10
2
-5
2
-5
=
x
= 5 x 10
2
-5
-3
-5
2
7
-5
2
-5
2
=
Converting the answer to standard form
4.3 x 10 x 8 x 10
= 34.4 x 10

= 3.44 x 10 x 10

= 3.44 x 10
2 x 10
5 x 10
-5
2
-5
2
= 0.4 x 10

= 4 x 10 x 10

= 4 x 10
-3
-3
1
-2
-7
-7
-1
-8
Main Activity
Complete the standard form calculations
jigsaw.
Whiteboard Activity
........ x 10 x ......... x 10

........ x 10
........ x 10
.....
.....
.....
.....
Main Activity
Key
Examples

Activities
Activity
Answers

Worked
Example

Worked
Example
Full transcript