﻿ Ruler Worksheets | Problems & Solutions # Ruler Worksheets

Ruler Worksheets
• Page 1
1.
Which of these is the closest estimate of the length of the leaf?  a. 7 cm b. 9.5 cm c. 7.5 cm d. 8 cm

#### Solution:

Measuring the leaf, we see that its length is closest to 8 centimeters.

2.
Which of these is the closest estimate of the length of the flag?  a. $4\frac{1}{2}$ inches b. 4 inches c. $4\frac{1}{4}$ inches d. $4\frac{3}{4}$ inches

#### Solution:

Measuring the flag, we see that its length is 4 full inches plus a fraction close to 1 / 4 inch.

So, the length of the flag is approximately equal to 41 / 4 inches.

3.
How long is the rectangle?  a. 4$\frac{1}{2}$ cm b. 4 cm c. 3$\frac{1}{2}$ cm d. 3 cm

#### Solution:

Measuring the length of the rectangle, we see it is 3 full centimeters plus 5 small segments, which is 31 / 2 cm.

4.
How long is the rectangular strip shown in the figure?  a. 7.5 cm b. 6 cm c. 6.5 cm d. 7 cm

#### Solution:

Measuring the length of the rectangle, we see it is full 7 centimeters.

5.
Find the length of the paper clip to the nearest centimeter.  a. 3 cm b. 2 mm c. 3 mm d. 2 cm

#### Solution:

The length between 0 and 1 is divided into 10 equal parts.

Each part represents 1 / 10.

The length of the paper clip covers upto 30 parts.

The length of the paper clip to the nearest centimeter is 3 cm.
[Divide 30 by 10.]

6.
Find the length of the spoon to the nearest one-eighth inch.  a. 3 inches b. $3\frac{2}{8}$ inches c. 2 inches d. $2\frac{3}{8}$ inches

#### Solution:

The length between 0 and 1 is divided into 8 equal parts.

Each part represents 1 / 8.

The length of the spoon covers upto 19 parts.

The length of the spoon to the nearest one-eighth inch is 23 / 8 inches.
[Divide 19 by 8.]

7.
Find the length of the paint brush to the nearest centimeter.  a. 78 cm b. 7 mm c. 7 cm d. 78 mm

#### Solution:

The length between 0 and 1 is divided into 10 equal parts.

Each part represents 1 / 10.

The length of the painting brush covers upto 70 parts.

The length of the painting brush to the nearest centimeter is 7 cm.
[Divide 70 by 10.]

8.
How long is the pen in the figure?  a. $1\frac{1}{8}$inches b. $4\frac{3}{4}$inches c. $1\frac{3}{8}$inches d. 1 inch

#### Solution:

The length between 0 and 1 is divided into 8 equal parts.

Each part represents 1 / 8.

The length of the pen covers upto 38 parts.

The length of the pen is about 43 / 4 inches.
[Divide 38 by 8.]

9.
How long is the knife in the figure?  a. 9 mm b. 9.9 mm c. 33 cm d. 9 cm

#### Solution:

The length between 0 and 1 is divided into 10 equal parts.

Each part represents 1 / 10.

The length of the knife covers upto 90 parts.

The length of the knife is about 9 cm.
[Divide 90 by 10.]

10.
Which of these is the closest estimate of the length of the crayon?  a. $4\frac{1}{2}$ inches b. $4\frac{1}{4}$ inches c. $3\frac{1}{2}$ inches d. $3\frac{3}{4}$ inches

#### Solution:

Measuring the crayon, we see that its length is 4 full inches plus a fraction close to 1 / 4 inch.

So, the length of the crayon is approximately equal to 41 / 4 inches.