Question

1. determine the length at each point on the ruler
2. circle the best unit for measuring each distance/length

a. the thickness of an eyelash mm cm m
b. the length of a pencil cm m km
c. the distance across china cm m km

1. use a meter stick or ruler to measure the length of this page ______cm
2. measure the width of the page ______cm
3. determine the area of the page ______cm²
4. convert the following measurements using a number line:

a. 34 mm = __________ cm
b. 3 km = __________ m
c. 4,000 mm = __________ dm

1. how can you minimize measuring mistakes? __________

Explanation:

Step1: For question 2

Read the ruler markings.

Step2: For question 3

Choose appropriate units based on object size.

Step3: For question 4 - 6

Actual measurement needed with ruler.

Step4: For question 7

Use conversion factors: 1 cm = 10 mm, 1 km = 1000 m, 1 dm = 100 mm.

Step5: For question 8

General measurement accuracy tips.

Answer:

2.
a. 9.5
e. 12.2
h. 13.5
b. 100
f. 125
i. 140
c. 11
g. 13
j. 14.2
d. 115
3.
a. mm
b. cm
c. km

1. (Actual measurement required, answer will vary)
2. (Actual measurement required, answer will vary)
3. (Actual measurement required, then multiply length and width to get area, answer will vary)

7.
a. 3.4
b. 3000
c. 40

1. Use the correct - sized measuring tool, align the starting point accurately, and read the measurement at eye - level.