Multiplication of Decimal Numbers through Grid or Area Model
Find 0.3 × 0....
Question
Find 0.3×0.5 using decimal grid value method.
A
0.15
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B
0.16
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C
0.14
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D
0.18
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Solution
The correct option is A 0.15 First shade 5 rows in the grid in maroon color to represent 0.5. Shade 3 coloumns in the grid in green color to represent 0.3 of 0.5.
510
310thof510 Now 15 squares represents the common portion. This represents the 15 hundredths or 0.15.