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Multiplying a Decimal

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by

Mr Mattock

on 11 October 2018

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Transcript of Multiplying a Decimal

Multiplying a Decimal
Starter
Mathsbot.com topic ladder
Examples
7 x 0.23


6 x 0.79


3.7 x 14
Using known results
If 84 x 23 = 1932 write down the answer to:

(a) 8.4 x 23
(b) 84 x 2.3
(c) 0.84 x 23
(d) 84 x 0.23
(e) 840 x 23
(f) 840 x 2.3
(g) 840 x 0.23
L.O. - Multiply a decimal by a whole
number.
Using known results
If 84 x 23 = 1932 write down the answer to:

(a) 8.4 x 23 =
193.2
(b) 84 x 2.3 =
193.2
(c) 0.84 x 23 =
19.32
(d) 84 x 0.23 =
19.32
(e) 840 x 23 =
19320
(e) 840 x 2.3 =
1932
(f) 840 x 0.23 =
193.2
Examples
7 x 0.23
7 x 23 = 161 so 7 x 0.23 = 1.61


6 x 0.79
6 x 79 = 474 so 6 x 0.79 = 4.74


3.7 x 14
37 x 14 = 518 so 3.7 x 14 = 51.8
Activity
Complete the worksheet.
Challenge
2 . 7
X

4 . 3
Challenge
2 . 7
X

4 . 3
5
1 9
8 8
Activities
Key
Examples

Activity
Answers

Worked
Example

Worked
Example
Full transcript