1.3.1 English Metric Measure

What type of measuring system is represented by this ruler?

• Standard (Imperial)

• Metric

Answer explanation

The ruler represents a Metric measuring system, which uses units like centimeters and meters, as opposed to the Standard (Imperial) system that uses inches and feet. The presence of metric units confirms this choice.

What length is represented by A?

• 1 cm

• 2 cm

• 1.5 cm

• 1.8 cm

Answer explanation

The length represented by A is 1.8 cm, which is the correct choice among the options provided. It is the only value that accurately represents the measurement in question.

What length is represented by B?

• 3 cm

• 3.2 cm

• 6 cm

• 1.8 cm

Answer explanation

The length represented by B is 3.2 cm, which is the correct choice among the options provided. The other lengths do not match the measurement indicated for B.

What length is represented by C?

• 5.5 cm

• 3.2 cm

• 6 cm

• 8.3 cm

Answer explanation

The length represented by C is 6 cm, which is the correct choice among the options provided. The other lengths do not match the value indicated for C.

What length is represented by D?

• 5.5 cm

• 3.2 cm

• 6 cm

• 8.3 cm

Answer explanation

D represents the length of 8.3 cm, which is the correct choice among the options provided. The other lengths do not match the value represented by D.

Which system of measurement is represented by this ruler?

• Standard (Imperial)

• Metric

Answer explanation

The ruler represents the Standard (Imperial) system of measurement, which uses inches and feet, as opposed to the Metric system that uses centimeters and meters. The presence of inch markings confirms it is Standard (Imperial).

What length best represents the answer for A?

• 3 in

• 2 1/2 in

• 1/2 in

• 3 3/8 in

Answer explanation

The length of 1/2 in is the best representation for A as it is the smallest option, indicating a precise measurement that fits the context better than the other larger choices.

What length best represents the answer for B?

• 5 in

• 1 1/4 in

• 1/2 in

• 3 3/8 in

Answer explanation

The length 1 1/4 in is the best representation for B, as it is a common measurement that fits typical contexts where precise lengths are needed, making it more relevant than the other options.

What length best represents the answer for C?

• 3 in

• 3 1/4 in

• 3 1/2 in

• 3 3/8 in

Answer explanation

The length 3 3/8 in is the most precise representation for C, as it is greater than 3 1/4 in and less than 3 1/2 in, making it the best fit among the options provided.

What length best represents the answer for D?

• 5 3/4 in

• 5 1/4 in

• 5 1/2 in

• 5 3/8 in

Answer explanation

The length 5 3/4 in is the largest option provided, making it the best representation for D. It is greater than all other choices, indicating it is the most suitable answer.