Unit 4, Lesson 5, Grade 7 icon
Unit 4, Lesson 5

Finding One Hundred Percent Given Another Percent

EngageNY 45 min(s)

Students find 100% of a quantity (the whole) when given a quantity that is a percent of the whole by using a variety of methods including finding 1%, equations, mental math using factors of 100, and double number line models. Students solve word problems involving finding 100% of a given quantity with and without using equations. Students recall factors of 100 and their multiples to complete the table below. The discussion that follows introduces students to a means of calculating whole quantities through the use of a double number line.

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