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IM 8.8.14 Practice: Decimal Representations of Rational Numbers

Andre and Jada are discussing how to write as a decimal. Andre says he can use long division to divide by to get the decimal. Jada says she can write an equivalent fraction with a denominator of  by multiplying by then writing the number of hundredths as a decimal. Do both of these strategies work?

Which strategy do you prefer? Explain your reasoning.

Write as a decimal. Explain or show your reasoning.

Write each fraction as a decimal.

Write each decimal as a fraction.

Find the positive solution to each equation. If the solution is irrational, write the solution using square root or cube root notation.

Here is a right square pyramid.

What is the measurement of the slant height  of the triangular face of the pyramid? If you get stuck, use a cross section of the pyramid.

What is the surface area of the pyramid?