🔬 Grade 4 📖 Measurement 🎯 Millimetres

Miss Brenda’s Grade 4 Math Class 🌟

70 practice questions included

Free lessons: 1 of 5

🧠 Practice Questions 70 total

How many millimetres are in 1 centimetre?

Explanation: 1 cm = 10 mm.

A pencil is 18 cm long. How many millimetres is that?

Explanation: 18 cm × 10 = 180 mm.

Which is longer? 45 mm or 5 cm?

Explanation: 5 cm = 50 mm, so 5 cm is longer.

The width of your eraser is 25 mm. How many centimetres is that?

Explanation: 25 mm = 2.5 cm (divide by 10).

Which object is about 1 millimetre thick?

Explanation: A single sheet of paper is about 1 mm thick.

Convert 90 mm to centimetres.

Explanation: 90 mm ÷ 10 = 9 cm.

A paper clip is 35 mm long. Is this longer or shorter than 4 cm?

Explanation: 35 mm = 3.5 cm, which is shorter than 4 cm.

How many millimetres are in 12 cm?

Explanation: 12 cm × 10 = 120 mm.

Which is the shortest?

Explanation: 25 mm is the shortest (2.5 cm = 25 mm).

Your fingernail is about 10 mm wide. How many centimetres?

Explanation: 10 mm = 1 cm.

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