This Fluency Activity is a part of the Lesson 29, Unit 4, Grade 5.<br> In this lesson, students begin understanding the relationship between dividing by fractions and dividing by decimals. They use their knowledge of writing decimals as fractions to rewrite problems with numbers being divided by decimals. For example, they evaluate 7 ÷ 0.1 as 7 ÷ 1/10 by reasoning about how many tenths are in a whole and multiplying that number by 7.