MODELING DECIMALS WORKSHEET

1. Model 0.78 by shading a 10-by-10 grid.

2. Model 1.42 by shading a 10-by-10 grid.

3. Model 0.53 by shading a 10-by-10 grid.

4. Model 1.07 by shading a 10-by-10 grid.

5. Model 125% by shading a 10-by-10 grid. Since there are two digits after the decimal point in 0.78, we can write 0.78 as a fraction 78/100.

0.78 = 78/100

0.78 = 78%

0.78 = 78 out of a hundred

In 10 by- 10 grid, there will be 100 equal parts.

Because 10 x 10 = 100.

Since 0.78 = 78 out of a hundred, we have to shade 78 out 100 parts in 10 by- 10 grid to model the decimal 0.78. There are two digits after the decimal point in 1.42. So, we can write 1.42 as a fraction 142/100.

Here, the numerator 142 is greater than 100.

Since we are going to use 10 by 10- grid (100 equal parts), we can write the given decimal 1.42 as given below. In 1.42 = 1 42/100 or 1 + 42/100, there are two parts.

They are 1 and 42/100.

So, we have to use two 10 by-10 grids to model the decimal 1.42.

Since we write 1.42 = 100/100 + 42/100, we have to shade all the 100 parts in the first grid and 42 parts in the second grid. Since there are two digits after the decimal point in 0.53, we can write 0.53 as a fraction 53/100.

0.53 = 53/100 = 53%

0.53 = 53 out of a hundred

In 10-by- 10 grid, there will be 100 equal parts.

Because 10 x 10  = 100.

Since 0.53  =  53 out of a hundred, we have to shade 53 out 100 parts in 10 by- 10 grid to model the decimal 0.53.

That is, There are two digits after the decimal point in 1.07. So, we can write 1.07 as a fraction 107/100.

Here, the numerator 107 is greater than 100.

Since we are going to use 10 by 10- grid (100 equal parts), we can write the given decimal 1.07 as given below.

1.07 = 1 + 0.07

1.07 = 100/100 + 7/100 = 1 7/100

In 1.07 = 1 7/100 or 1 + 7/100, there are two parts.

They are 1 and 7/100.

So, we have to use two 10 by-10 grids to model the decimal 1.07.

Since we write 1.07  =  100/100 + 7/100, we have to shade all the 100 parts in the first grid and 7 parts in the second grid. Percent means per hundred.

125% = 125/100

Here, the numerator 125 is greater than 100.

Since we are going to use 10 by 10- grid (100 equal parts), we can write 125% as given below. 125% = 1 + 25/100

Therefore, there are two parts in 125%.

They are 1 and 25/100.

So, we have to use two 10 by-10 grids to model 125%.

Since we write 125% = 100/100 + 25/100, we have to shade all the 100 parts in the first grid and 25 parts in the second grid. Kindly mail your feedback to v4formath@gmail.com

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