Math  /  Numbers & Operations

QuestionIn order: 0.2,0.23,0.25,0.3,0.40.2,0.23,0.25,0.3,0.4 Write the decimals in order starting with the smallest. 0.2,0.23,25%,310,250.2,0.23,25 \%, \frac{3}{10}, \frac{2}{5}
Write the original values in order. Exercise 6.3 Focus 1 Write these fractions in their simplest form. a 510\frac{5}{10} \square b 820\frac{8}{20} \square c 912\frac{9}{12} \square

Studdy Solution

STEP 1

What is this asking? We need to sort a bunch of numbers, some decimals, some fractions, and even a percent, from smallest to largest! Watch out! Don't be tricked by how the numbers first appear!
Make sure to convert everything to the same format so you can compare apples to apples.

STEP 2

1. Convert to Decimals
2. Sort the Decimals
3. Write the Original Values

STEP 3

Alright, let's **convert** everything to decimals!
We've got 0.20.2, 0.230.23, and 0.30.3 already as decimals, awesome!

STEP 4

Now, 25%25\% is the same as 25100\frac{25}{100}, which is 0.250.25.
See how we **divided** 2525 by 100100 to get the decimal?
Percentages are always out of 100100!

STEP 5

Next up, 310\frac{3}{10}.
To turn this fraction into a decimal, we **divide** the numerator (33) by the denominator (1010).
So, 310=0.3\frac{3}{10} = 0.3.

STEP 6

Lastly, 25\frac{2}{5}.
We can **multiply** both the numerator and denominator by 22 to get an equivalent fraction with a denominator of 1010: 2252=410\frac{2 \cdot 2}{5 \cdot 2} = \frac{4}{10}.
Now, we **divide** the numerator (44) by the denominator (1010), giving us 0.40.4.

STEP 7

Okay, we've got all our decimals: 0.20.2, 0.230.23, 0.250.25, 0.30.3, and 0.40.4.
Now, let's **sort** them from smallest to largest!
Think of these like money - which amount would you rather have?

STEP 8

We can see that 0.20.2 is the smallest, then 0.230.23, followed by 0.250.25.
Then comes 0.30.3, and finally 0.40.4.
See how we looked at the tenths place first, then the hundredths place to **compare** the numbers?

STEP 9

Now, we just need to write the original values in order, matching them with our sorted decimals.

STEP 10

0.20.2 stays as 0.20.2. 0.230.23 stays as 0.230.23. 0.250.25 was originally 25%25\%. 0.30.3 was 310\frac{3}{10}.
And 0.40.4 came from 25\frac{2}{5}.

STEP 11

The numbers in order from smallest to largest are: 0.20.2, 0.230.23, 25%25\%, 310\frac{3}{10}, 25\frac{2}{5}.

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