Math Practice 101
Homework Explained - Math Practice 101

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Grade 5 HMH Go Math - NEW


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Changing Recipes

You can make a lot of recipes more healthful by reducing the amounts of fat, sugar, and salt.

Kelly has a muffin recipe that calls for \(1\frac{1}{2}\) cups of sugar. She wants to use \(\frac{1}{2}\) that amount of sugar and more cinnamon and vanilla. How much sugar will she use?

Multiply \(1\frac{1}{2}\) by \(\frac{1}{2}\) to find what part of the original amount of sugar to use.

Write the mixed number as a fraction greater than 1. Then, multiply.

\(\begin{align}
\frac{1}{2}\times1\frac{1}{2}&=\frac{1}{2}\times\frac{\color{blue}3}{2}\\
&=\frac{\color{blue}3}{\color{blue}4}\\
\end{align}\)

So, Kelly will use \(\color{blue}{\frac{3}{4}}\) cup of sugar.

 

  • Question 19 (request help)

    Michelle has a recipe that calls for \(2\frac{1}{2}\) cups of vegetable oil. She wants to use \(\frac{2}{3}\) that amount of oil and use applesauce to replace the rest. How much  vegetable oil will she use?
  • cups
  • Question 20 (request help)

    Tony’s recipe for soup calls for \(1\frac{1}{4}\) teaspoons of salt. He wants to use \(\frac{1}{2}\) that amount. How much salt will he use?
  • teaspoon
  • Question 21 (request help)

    Jeffrey’s recipe for oatmeal muffins calls for \(2\frac{1}{4}\) cups of oatmeal and makes one dozen muffins. If he makes \(1\frac{1}{2}\) dozen muffins for a club meeting, how much oatmeal will he use?
  • cups
  • Question 22 (request help)

    Cara’s muffin recipe calls for \(1\frac{1}{2}\) cups of flour for the muffins and \(\frac{1}{4}\) cup of flour for the topping. If she makes \(\frac{1}{2}\) of the original recipe, how much flour will she use?
  • cup of flour

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