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Question (11)

QN004045

A thread used for measuring a curved line measures 9.4 cm on a scale. Express this length in millimetres.

(A) 94 mm
(B) 9.4 mm
(C) 940 mm
(D) 0.94 mm

Correct Answer: A

Explanation:

9.4 × 10 = 94 mm

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Question (12)

QN004046

A curved line has a measured length of 135 mm. What is its length in centimetres?

(A) 1.35 cm
(B) 13.5 cm
(C) 135 cm
(D) 1350 cm

Correct Answer: B

Explanation:

135 ÷ 10 = 13.5 cm

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Question (13)

QN004047

Which of the following can be measured conveniently using the thread method?

(A) Length of a straight stick
(B) Curved boundary of a leaf
(C) Height of a wall
(D) Width of a desk

Correct Answer: B

Explanation:

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Question (14)

QN004048

A student leaves gaps between the thread and the curved line. The measurement obtained is likely to be

(A) inaccurate
(B) always correct
(C) exactly doubled
(D) unchanged

Correct Answer: A

Explanation:

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Question (15)

QN004049

A thread measuring 22.6 cm represents the length of a curved wire. What is its length in millimetres?

(A) 226 mm
(B) 22.6 mm
(C) 2260 mm
(D) 2.26 mm

Correct Answer: A

Explanation:

22.6 × 10 = 226 mm

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Question (16)

QN004050

Which statement best describes the thread method?

(A) Measure the curve directly with a ruler.
(B) Convert the curve into an equivalent straight length using a thread.
(C) Use only a metre rod.
(D) Estimate the curve visually.

Correct Answer: B

Explanation:

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Question (17)

QN004051

A curved line measured using a thread gives a reading of 7.25 cm. What is the length in millimetres?

(A) 72.5 mm
(B) 725 mm
(C) 7.25 mm
(D) 0.725 mm

Correct Answer: A

Explanation:

7.25 × 10 = 72.5 mm

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Question (18)

QN004052

Which object is most suitable for demonstrating the measurement of a curved line?

(A) Straight pencil
(B) Rectangular notebook
(C) Curved leaf margin
(D) Wooden block

Correct Answer: C

Explanation:

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Question (19)

QN004053

A thread stretched on a scale shows 14.2 cm. What is the equivalent length in millimetres?

(A) 142 mm
(B) 14.2 mm
(C) 1420 mm
(D) 1.42 mm

Correct Answer: A

Explanation:

14.2 × 10 = 142 mm

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Question (20)

QN004054

Question (11)

A thread used for measuring a curved line measures 9.4 cm on a scale. Express this length in millimetres.

Explanation:

Link:

Question (12)

A curved line has a measured length of 135 mm. What is its length in centimetres?

Explanation:

Link:

Question (13)

Which of the following can be measured conveniently using the thread method?

Explanation:

Link:

Question (14)

A student leaves gaps between the thread and the curved line. The measurement obtained is likely to be

Explanation:

Link:

Question (15)

A thread measuring 22.6 cm represents the length of a curved wire. What is its length in millimetres?

Explanation:

Link:

Question (16)

Which statement best describes the thread method?

Explanation:

Link:

Question (17)

A curved line measured using a thread gives a reading of 7.25 cm. What is the length in millimetres?

Explanation:

Link:

Question (18)

Which object is most suitable for demonstrating the measurement of a curved line?

Explanation:

Link:

Question (19)

A thread stretched on a scale shows 14.2 cm. What is the equivalent length in millimetres?

Explanation:

Link:

Question (20)

A student uses a rigid wire instead of thread for a curved line. Why is this less suitable?

Explanation:

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