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- Grade 4 Math
- Introduction to Decimals

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Get Started Now- Intro Lesson: a8:42
- Lesson: 1a1:16
- Lesson: 1b1:52
- Lesson: 1c3:06
- Lesson: 1d3:57
- Lesson: 2a1:50
- Lesson: 2b3:32
- Lesson: 2c3:58
- Lesson: 2d3:20
- Lesson: 3a4:54
- Lesson: 3b4:00
- Lesson: 3c5:07
- Lesson: 3d5:14
- Lesson: 3e5:25

In this lesson, we will learn:

- How to read number lines for decimals to the tenths or hundredths
- How to draw a point to represent a decimal on a decimal number line

- A
**number line**is a picture of a straight line with vertical markings of equal spacing **Number lines**increase from left to right (small $\, \longrightarrow \,$ big)

**Decimals**are numbers with**place values**__even smaller__than the ones place.**Number lines**can be divided even further between each number- Splitting each division into
creates the next*10 equal parts***decimal place value** - Dividing the space between 0 to 1 into 10 equal parts, each part is a
__tenth__ - Dividing the space between 0 to 0.1 into 10 equal parts, each part is a
__hundredth__

- From 0 to 1, it is first split into 10 equal parts (tenths = 0.1)
- Each of these tenths 0.1 will be split into 10 more equal parts (10 tenths each into 10 parts = 10 × 10 = 100 parts)
- Ultimately, the space between 0 and 1 will be split into 100 equal parts
- That's why each 0.01 is called a hundredth (one of the 100 parts)

- IntroductionIntroduction to Decimals on Number Lines:a)How to read number lines at different place value levels (ones, tenths, hundredths)
- 1.
**Reading decimals on number lines**

What is the decimal given by the point on the number line?a)b)c)d) - 2.
**Drawing decimals on number lines**

Draw the decimal as a point on the number linea)b)c)d) - 3.
**Zooming into number lines and dividing into ten segments**

Draw a point for the specified decimal. Label the number lines showing tenths and the zoomed in lines showing hundredths.a)b)c)d)e)