1. Lesson 3-1 Ideas/Vocabulary
Represent decimals in word form, standard form, and expanded form.
standard form
expanded form
Lesson 3-1 Ideas/Vocabulary

2. 6.1 The student represents and uses rational numbers in a variety of equivalent forms. (B) Generate equivalent forms of rational numbers including whole numbers, fractions, and decimals.
Lesson 3-1 TEKS

3. Interactive Lab: Modeling Decimals
Write a Decimal in Word Form
Write in word form.
Answer: is one hundred two and fifty-six thousandths.
Interactive Lab: Modeling Decimals
Lesson 3-1 Example 1

4. Write in word form.
two hundred thirty and one hundred eight tenths
two hundred thirty and one hundred eight hundredths
two hundred thirty and one hundred eight thousandths
two hundred thirty and one hundred eight ten-thousandths

5. Standard Form and Expanded Form
Write seventy-six and one hundred three thousandths in standard form and in expanded form.
Answer: Standard form:
Expanded Form: (7  10) + (6  1) + (1  0.1) + (0  0.01) + (3  0.001)
Lesson 3-1 Example 2

6. Write fifty-nine and sixty-two thousandths in standard form and in expanded form.
59.62; (5  10) + (9  1) + (6  0.1) + (2  0.01)
59.062; (5  10) + (9  1) + (0  0.1) + (6  0.01) + (2  0.001)
; (5  10) + (9  1) + (0  0.1) + (0  0.01) + (6  0.001) + (2  )
; (5  10) + (9  1) + (6  0.1) + (2  0.01) + (0  0.001) + (0  )