Measuring Length: Interactive Quizzes and Practice Questions

Question 1

How many centimeters are there in 2 meters?

Accepted Answer

100

Answer

200

Answer

50

Question 2

A marathon is about 42 kilometers long. How many meters is this?

Accepted Answer

42,000

Answer

4,200

Answer

420,000

Question 3

A rectangular garden is 5 meters long and 3 meters wide. What is the perimeter of the garden?

Accepted Answer

16 meters

Answer

8 meters

Answer

30 meters

Question 4

Which of these units is the largest?

Accepted Answer

Kilometer

Answer

Centimeter

Answer

Meter

Question 5

A pencil is 15 centimeters long. What is its length in meters?

Accepted Answer

0.15 meters

Answer

1.5 meters

Answer

15 meters

Question 6

A rectangular garden is 6 meters long and 4 meters wide. What is the perimeter of the garden?

Accepted Answer

24 meters

Answer

10 meters

Answer

20 meters

Question 7

A 5-kilometer race is how many meters long?

Accepted Answer

5000 meters

Answer

50,000 meters

Answer

500,000 meters

Question 8

Which of these units is best for measuring the length of a book?

Accepted Answer

Centimeter

Answer

Meter

Answer

Kilometer

Question 9

Which of the following units of length is the smallest?

Accepted Answer

Centimeter

Answer

Meter

Answer

Kilometer

Question 10

Which of the following is NOT a tool used to measure length?

Accepted Answer

Thermometer

Answer

Ruler

Answer

Tape measure

Answer

Protractor

Question 11

A marathon is approximately 42 kilometers long. How many centimeters long is a marathon?

Accepted Answer

420,000 centimeters

Answer

42,000 centimeters

Answer

4,200 centimeters

Question 12

A map has a scale of 1 centimeter to 10 kilometers. If a distance on the map is 5 centimeters, what is the actual distance?

Accepted Answer

50 kilometers

Answer

10 kilometers

Answer

5 kilometers

Question 13

A farmer has a rectangular field that is 200 meters long and 150 meters wide. What is the total distance around the perimeter of the field?

Accepted Answer

700 meters

Answer

100 meters

Answer

500 meters

Answer

1500 meters

Question 14

Which of the following units of length is the smallest?

Accepted Answer

Millimeter

Answer

Centimeter

Answer

Meter

Answer

Kilometer

Question 15

Which of the following represents the correct order of units of length from smallest to largest?

Accepted Answer

Millimeter, centimeter, meter, kilometer

Answer

Centimeter, millimeter, kilometer, meter

Answer

Kilometer, meter, centimeter, millimeter

Answer

Meter, kilometer, centimeter, millimeter

Question 16

A map has a scale of 1:25,000. If the distance between two towns on the map is 5 centimeters, what is the actual distance between the towns?

Accepted Answer

12,500 centimeters

Answer

125,000 centimeters

Answer

1,250 centimeters

Answer

125 centimeters

Question 17

Which of the following is closest to 1.6 kilometers?

Accepted Answer

1600 meters

Answer

1000 meters

Answer

16,000 meters

Answer

160,000 meters

Question 18

The perimeter of a square is 40 centimeters. What is the length of one side of the square?

Accepted Answer

20 centimeters

Answer

10 centimeters

Answer

15 centimeters

Answer

25 centimeters

Question 19

Which of these objects is about 1 kilometer long?

Accepted Answer

A football pitch

Answer

A pencil

Answer

A car

Answer

A book

Question 20

Which unit of length is the shortest?

Accepted Answer

Millimeter

Answer

Centimeter

Answer

Meter

Answer

Kilometer

Question 21

Which of these is not a unit of length?

Accepted Answer

Second

Answer

Inch

Answer

Foot

Answer

Mile

Question 22

Which of the following units is the smallest?

Accepted Answer

Millimeter

Answer

Centimeter

Answer

Meter

Answer

Kilometer

Question 23

Anna measures a piece of string to be 25 centimeters long. What is the length in meters?

Accepted Answer

0.25 meters

Answer

0.025 meters

Answer

2.5 meters

Answer

25 meters

Question 24

John needs to buy 3.5 meters of ribbon that comes in 10-meter rolls. How many rolls does John need?

Accepted Answer

0.7 rolls

Answer

0.35 rolls

Answer

3.5 rolls

Answer

10 rolls

Question 25

Which tool is best used to measure the length of a pencil?

Accepted Answer

Ruler

Answer

Micrometer

Answer

Meter tape

Answer

Odometer

Question 26

Which unit in the metric system is the smallest?

Accepted Answer

millimeter (mm)

Answer

meter (m)

Answer

centimeter (cm)

Answer

kilometer (km)

Question 27

A pencil measures 15 cm. Express this length in millimeters (mm).

Accepted Answer

150 mm

Answer

15 mm

Answer

15 m

Answer

1500 mm

Question 28

You cut a 20 cm string into two equal parts. What is the length of each part?

Accepted Answer

10 cm

Answer

5 cm

Answer

25 cm

Answer

15 cm

Question 29

Which is approximately equal to the average height of a human body?

Accepted Answer

1.8 meters

Answer

18 centimeters

Answer

18 millimeters

Answer

18 kilometers

Question 30

A cyclist travels 25 kilometers in 1 hour. Calculate the cyclist's average speed in kilometers per hour.

Accepted Answer

25 km/h

Answer

15 km/h

Answer

50 km/h

Answer

100 km/h

Question 31

Which unit is the smallest unit of length in the metric system?

Accepted Answer

Millimeter

Answer

Centimeter

Answer

Meter

Answer

Kilometer

Question 32

Which tool is most suitable for measuring the length of a pencil?

Accepted Answer

Ruler

Answer

Yard stick

Answer

Protractor

Answer

Measuring tape

Question 33

A rectangular plot of land has a length of x meters and a width of y meters. What expression represents the area of the plot?

Accepted Answer

x * y

Answer

x - y

Answer

x + y

Answer

(x + y)^2

Question 34

A piece of wood is 12 inches long. How many centimeters is it?

Accepted Answer

30.48 centimeters

Answer

304.8 centimeters

Answer

1.2 centimeters

Answer

12 centimeters

Question 35

Which unit of length is the largest?

Accepted Answer

Kilometer

Answer

Meter

Answer

Centimeter

Question 36

A pencil is 15 centimeters long. How many millimeters long is it?

Accepted Answer

150

Answer

1.5

Answer

1500

Question 37

A rectangular garden has a length of 5 meters and a width of 3 meters. What is the perimeter of the garden?

Accepted Answer

16 meters

Answer

24 meters

Answer

8 meters

Question 38

A piece of string is cut into two equal parts. Each part is 20 centimeters long. What is the length of the original string?

Accepted Answer

40 centimeters

Answer

60 centimeters

Answer

20 centimeters

Question 39

A car travels 120 kilometers in 2 hours. What is the average speed of the car in kilometers per hour?

Accepted Answer

60

Answer

30

Question 40

Which of the following is NOT a unit of length?

Accepted Answer

Pound

Answer

Yard

Answer

Inch

Question 41

A map has a scale of 1 centimeter represents 5 kilometers. What is the actual distance between two cities that are 12 centimeters apart on the map?

Accepted Answer

60 kilometers

Answer

12 kilometers

Question 42

The standard unit of measuring length is the:

Accepted Answer

Meter

Answer

Kilometer

Answer

Yard

Answer

Foot

Question 43

A pen measures 12 cm in length. What is its length in millimeters?

Accepted Answer

120 mm

Answer

1.2 mm

Answer

1200 mm

Answer

0.12 mm

Question 44

A rectangular garden's length and width are 6 meters and 4 meters respectively. What is the garden's perimeter?

Accepted Answer

20 meters

Answer

30 meters

Answer

12 meters

Answer

10 meters

Question 45

A car travels 90 kilometers in 1.5 hours. What is the car's average speed in kilometers per hour?

Accepted Answer

60 km/h

Answer

30 km/h

Answer

120 km/h

Answer

90 km/h

Question 46

A pencil is 10 cm long. What is its length in millimeters?

Accepted Answer

100 mm

Answer

0.1 mm

Answer

1 mm

Answer

1000 mm

Question 47

Which unit of measurement is most suitable for measuring the length of a book?

Accepted Answer

Centimeters (cm)

Answer

Meters (m)

Answer

Millimeters (mm)

Question 48

A ribbon is 3 meters long. If 60 cm of ribbon is cut off, how much ribbon is left, in meters?

Accepted Answer

2.4 m

Answer

3.6 m

Answer

1.4 m

Answer

0.6 m

Question 49

Which of the following is the longest distance?

Accepted Answer

1.2 kilometers (km)

Answer

120,000 millimeters (mm)

Answer

120 meters (m)

Answer

12,000 centimeters (cm)

Question 50

A rectangular garden has a length of 6 meters and a width of 3 meters. What is the perimeter of the garden?

Accepted Answer

18 meters

Answer

12 meters

Answer

9 meters

Answer

24 meters

Question 51

A piece of string is 4200 mm long. How many meters is this equivalent to?

Accepted Answer

4.2 meters

Answer

0.42 meters

Answer

420 meters

Answer

42 meters

Question 52

Sarah needs 6 meters of fabric to make a dress. She already has 2.75 meters. How much more fabric does she need, in centimeters?

Accepted Answer

325 cm

Answer

32.5 cm

Answer

3250 cm

Answer

3.25 cm

Question 53

Which of these tools is most suitable for measuring the length of a small insect?

Accepted Answer

Ruler

Answer

Trundle wheel

Answer

Tape measure

Answer

Measuring tape

Question 54

A square has a perimeter of 24 cm. What is the length of one side of the square?

Accepted Answer

6 cm

Answer

4 cm

Answer

8 cm

Answer

12 cm

Question 55

Which of the following is NOT a unit of length?

Accepted Answer

Gram (g)

Answer

Millimeter (mm)

Answer

Centimeter (cm)

Answer

Meter (m)