Finding the Whole When Only a Fraction of It Is Known Worksheet with Answer Key

What's on the worksheet

1. Find the whole in each problem and check by multiplying back.
   15 is \dfrac{3}{5} of what number?28 is \dfrac{4}{7} of what number?6 is \dfrac{1}{8} of what number?\dfrac{2}{3} is \dfrac{1}{6} of what number?\dfrac{3}{4} is \dfrac{3}{8} of what number?
2. Word problem: how big Diego's whole game update is and how much is left.
3. Word problem: how much gravel Naomi's family needs in all.
4. Compare Mei's and Jack's playlists without dividing, then find their sizes.
5. Use Lucas's tape diagram to find the size of the whole hay field.
6. Word problem: how many saplings the club planted, from the difference between two days.