Question

a) write the measurement shown by the pointer on each ruler.
1)

________ inches
2)

________ inches
3)

________ inches
4)

________ inches
b) draw the pointer on each ruler to show the reading.

Explanation:

Step1: Identify ruler smallest division

Each inch is split into 10 smaller marks, so each mark = $\frac{1}{10} = 0.1$ inches.

Step2: Read ruler 1

Pointer is at 4 + 2*0.1 = 4.2 inches.

Step3: Read ruler 2

Pointer is at 8 + 6*0.1 = 8.6 inches.

Step4: Read ruler 3

Pointer is at 16 + 4*0.1 = 16.4 inches.

Step5: Read ruler 4

Pointer is at 5 + 8*0.1 = 5.8 inches.

Answer:

1. 4.2 inches
2. 8.6 inches
3. 16.4 inches
4. 5.8 inches