Marks on a Ruler

Often, when students see standard rulers with numbers and tick marks, they incorrectly believe that the numbers are counting the marks rather than the units of space between the marks. What is one assessment technique to establish if a student understands how to use a ruler?

Tags

CCSS.2.MD.A.3

• 4 inches

Tags

CCSS.2.MD.A.3

• 4 inches

Tags

CCSS.2.MD.A.3

Determine the measurement of the picture by reading the ruler.

• 2 1/2 inches

• 3 1/2 inches

• 1 1/2 inches

• 4 inches

Tags

CCSS.2.MD.A.3

Determine the measurement of the image by reading the ruler.

• 9 1/2 in.

• 8 1/2 in.

• 7 1/2 in.

• I am unsure of the answer.

Tags

CCSS.2.MD.A.3

Determine the measurement of the image by reading the ruler.

• 3 in.

• 2 in.

• 2 1/2 in.

• I am unsure of the answer.

Tags

CCSS.2.MD.A.3

Which measurement is closest to the length of the sticker?

• 4 in.

• 2 1/2 in.

• 2 in

• 1 1/2 in

Tags

CCSS.2.MD.A.3

How long is this?

• 7 1/4

• 7 3/4

• 7 1/2

• 7 3/8

Tags

CCSS.2.MD.A.3

Determine the measurement of the image by reading the ruler.

• 4 in.

• 3 in.

• 2 in.

• 1 in.

Tags

CCSS.2.MD.A.3

Determine the measurement of the image by reading the ruler.

• 11 1/2 in.

• 12 in.

• 11 in.

• I am unsure of the answer.

Tags

CCSS.2.MD.A.3