Metric Benchmarks & Conversions
Name__________________________________
Answer each of the following questions.
Metric Unit
1 millimeter
1 centimeter
1 meter
1 kilometer
Abbreviation
mm
cm
m
km
Benchmark
Tip of pencil
Pencil eraser
Leg
2 laps around a track
Choose the best estimate.
1. The height of an average man
A. 18 cm
B. 1.8 m
C. 6 km
D. 36 mm
2. The length of a basketball player’s foot
A. 2 m
B. 1 km
C. 30 cm
D. 100 mm
3. The width of your hand
A. 2 km
B. 0.5 m
C. 25 cm
D. 90 mm
4. The length of a basketball court.
A. 1000 mm
B. 250 cm
C. 28 m
D. 2 km
Try these conversions, using the ladder method.
5) 2000 mg = __________ g
6) 5 L = __________ mL
7) 16 cm = _________ mm
8) 104 km = __________ m
9) 198 g = __________ kg
10) 2500 m = _______km
11) 480 cm = ________ m
12) 75 mL = ________ L
13) 65 g = ________ mg
REMEMBER:
1.
During a fundraiser, potential customers had a choice of buying a book cover, a coffee mug, or a school
pennant. Of the 400 items that were sold, 12% were coffee mugs.
A.
How many coffee mugs were sold? Show or explain your work.
B. If 240 book covers were sold, what percent of the items sold were book covers? Show or explain your work.
2. The students at John Glenn Middle School
want to raise $2,500 for new sports equipment
at the school. So far they have raised $1,700.
What percent of their goal have they reached?
A.
B.
C.
D.
4.
3. North High School has 36 members
in the choir. One-fourth of the
Members are boys. How many
Choir members are boys?
32%
B. 45%
C. 68%
D. 75%
A.
B.
C.
D.
4 members
5 members
9 members
12 members
Jose drove 180 miles in 3 hours. What was his rate of speed?
5. Sou can walk 1 mile in 22 minutes. If she keeps the same rate of speed, how far can she walk in 66 minutes?
6. A pet store has 30 hamsters and 50 birds. What is the ratio of hamsters to bird?
7. A basket of fruit containing 30 pieces of fruit has 20 apples and 10 bananas. What is the ratio of bananas and
apples?