Question

mental math
start with the area of a square that has a length of 3.
1038722980 (circle your answer to double check you are correct.)
increase that number by 15.
9780224164
round that number to the nearest ten.
6552042980
add one - fourth of a dozen. 1dozen = 12
2623461471
increase that number by 1.
2051424797
find one - third. (divide by 3)
6825403985

Explanation:

Step1: Calculate the area of the square

The area of a square is \(side\times side\). Given side \(= 3\), so area \(=3\times3 = 9\).

Step2: Increase the number by 15

\(9 + 15=24\).

Step3: Round to the nearest ten

Since \(24\) is closer to \(20\) than to \(30\), \(24\approx20\).

Step4: Add one - fourth of a dozen

One dozen \(=12\), one - fourth of a dozen \(=\frac{12}{4}=3\). Then \(20+3 = 23\).

Step5: Increase the number by 1

\(23+1=24\).

Step6: Find one - third

\(24\div3 = 8\).

Answer:

9, 24, 20, 23, 24, 8