2.3 Ruler problems and number lines

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2.3 Ruler problems and number lines

• Objective To solve ruler problems

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Ruler Rules to live byLook at Example 1

1. Find Length 50-203
2. Divide Length into big blocks 30/310
3. Give for Big lines
4. Divide Big Blocks into little spaces 10/52

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Example 1
10
10
10
2
2
2
2
2
50
20

• Find length
• 50-203
• 2. Divide length into big blocks
• 30?310
• 3. Give for big lines
• 4. Divide big blocks into little space
• 10?5?2

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Example 2
15
15
15
3
3
3
3
3
15
60
60-1545 45?3?15 15?5?3
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Ex 3
20
20
20
20
4
4
4
4
4
120
140
160
100
180
180?100?80 80?420 20?5?4
35-10?45
45?3?15 15?5?3
35
?10