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Decimal Number Lines Practice

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Decimal Number Lines Practice

Number line with decimal intervals

📏 Part 1: Reading Decimal Number Lines (0.1 intervals)

1. Look at this number line from 0 to 1. What decimal number is shown at point A?

Number line: 0 __|__|__|A|__|__|__|__|__|__| 1

0.3

0.4

0.5

0.6

2. On a number line from 8 to 10 with 0.1 intervals, what number comes after 8.7?

8.71

8.8

9.0

8.17

3. Fill in the missing decimal numbers on this number line:

8.2 → _______ → 8.4 → _______ → 8.6 → _______ → 8.8

4. How many equal intervals are there between 0 and 1 on a decimal number line with 0.1 intervals?

5 intervals

10 intervals

100 intervals

1 interval

🔍 Part 2: Smaller Intervals (0.01 intervals)

5. Between 0.5 and 0.6, each small interval represents:

0.1

0.01

0.001

1.0

6. Look at this number line from 0.5 to 0.6. What decimal is at point B?

0.5 |_|_|B|_|_|_|_|_|_|_| 0.6

Point B = _____________

7. Count by 0.01 to complete this sequence:

0.47 → _______ → _______ → 0.50

8. Which of these statements about decimal number lines are correct? (Tick all that apply)

Each 0.1 interval can be divided into 10 smaller intervals of 0.01

Number lines work like rulers with equal intervals

0.01 intervals are larger than 0.1 intervals

We count intervals to find decimal positions

✏️ Part 3: Problem Solving

9. Sarah is measuring the length of her pencil. On her ruler, the pencil tip is at the 12.4 cm mark and the end is at the 15.7 cm mark. What numbers would she pass if she counted by 0.1 from the tip to the end?
10. Explain how counting intervals on a number line is similar to reading measurements on a ruler:

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