Equivalent Fractions in Recipes
0 / 14Equivalent Fractions in Recipes
Find recipe amounts that are the same, even with different fraction names.
Same amount, different names
The models in each problem are the same size. The shaded parts show the same amount.
1.
Kai's recipe needs 1/2 cup of milk. He only has a 1/4 cup scoop.
1/2 = /4, so Kai fills the 1/4 cup scoop times.
2.
Rosa's pancake recipe uses 1/3 cup of oil. She measures it with a 1/6 cup scoop.
1/3 = /6
3.
Ben's muffin recipe uses 3/4 cup of flour. This bar shows 3/4.
Which bar shows the same amount? All the bars are the same size.
Which bar shows the same amount? All the bars are the same size.
4.
Both number lines go from 0 to 1. The top line is split into thirds, and its point is at 2/3. The bottom line is split into sixths, and its point is at the same place.
2/3 = /6
5.
Match each recipe amount to the amount that is equal to it.
Find the missing number
Write the missing numerator or denominator so the two fractions are equal.
6.
Lily's smoothie recipe needs 1/2 cup of yogurt. She has a 1/8 cup scoop. Both number lines go from 0 to 1. The top line is split into halves and the bottom line is split into eighths. Both points are at the same place.
1/2 = /8
7.
Ty's soup recipe needs 2/4 cup of beans. He wants to use one scoop that holds the same amount.
2/4 cup = 1/ cup
8.
Lena's bread recipe needs 1/4 cup of honey. She measures it with a 1/8 cup scoop.
1/4 = /8
9.
2/6 = /3
10.
4/6 = 2/
11.
6/8 = 3/
12.
A cookie recipe needs 1/2 cup of sugar. Circle every amount that is the same as 1/2 cup.
Explain your thinking
Think about the size of the parts and how many parts there are.
13.
Maya says 2/3 cup and 4/6 cup are the same amount. Which answer is correct?
14.
Theo's recipe needs 3/4 cup of water. He only has a 1/8 cup scoop. He says he should fill the scoop 3 times because the recipe says 3/4. Is Theo right? Explain how you know.