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2.

Represent Decimals Using Expanded Forms and Number Lines

- 5th Grade Math

In the fourth grade, students had worked with fractions with denominators 10 and 100 and related them to decimal numbers. In this grade, students practice expanded forms for decimals using fractions with denominators 10, 100 and 1000. For example, the decimals 0.668 can be written as 6 x (1/10) + 6 x (1/100) + 8 x (1/1000). They also write expanded forms for decimals using whole numbers, tenths, hundredths and thousandths. For example, 0.668 can be written as 0.6 + 0.06 + 0.008. Represent Decimals Worksheet also includes problems on representing decimals to the thousandths on number lines. 

Common Core Alignment

5.NBT.3.aRead and write decimals to thousandths using base-ten numerals, number names, and expanded form, e.g., 347.392 = 3 × 100 + 4 × 10 + 7 × 1 + 3 × (1/10) + 9 × (1/100) + 2 × (1/1000).