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# Test Your Knowledge: Centimeters and Millimeters on Rulers Quiz

### 1. What is the smallest length that can typically be measured to the nearest millimeter on a standard metric ruler?

### 2. How many millimeters are there in one centimeter?

### 3. On a standard metric ruler, how would you read a length that falls exactly on the third line after a number indicating centimeters?

### 4. When measuring an object with a ruler that has both centimeter and millimeter markings, what is the most accurate way to record the length?

### 5. Which of the following lengths is the longest?

### 6. Which tool is most appropriate for measuring lengths to the nearest millimeter?

### 7. How many centimeters are there in 150 millimeters?

### 8. What does the number 7 represent when it appears next to a long line on a metric ruler?

### 9. In a science experiment, you're instructed to cut a string to a length of 4cm 6mm. How would you best describe this length?

### 10. If an object extends from the 2cm mark to the 5cm mark on a ruler, how long is the object?