🎯 Grade 5 📖 6. Measurement 🎯 Missing side lengths

Kashef 🌟 Missing Side Lengths!

48 practice questions included

Free lessons: 1 of 5

🧠 Practice Questions 48 total

A rectangle has a perimeter of 48 cm and one side is 12 cm. What is the length of the missing side?

Explanation: Hello my wonderful student! Perimeter = 2 × (length + width). So 48 = 2 × (12 + missing). Missing side = 12 cm.

A square has a perimeter of 64 cm. What is the length of each side?

Explanation: Perimeter of square = 4 × side. Side = 64 ÷ 4 = 16 cm.

A rectangle has a perimeter of 72 cm and width 14 cm. What is the length?

Explanation: 2 × (length + 14) = 72 → length + 14 = 36 → length = 22 cm.

The perimeter of a triangle is 39 cm. Two sides are 12 cm and 14 cm. What is the missing side?

Explanation: 12 + 14 + missing = 39 → missing = 13 cm.

A square has perimeter 100 cm. What is the side length?

Explanation: 100 ÷ 4 = 25 cm.

A triangle has perimeter 54 cm. Two sides are 18 cm and 20 cm. What is the third side?

Explanation: 18 + 20 + missing = 54 → missing = 16 cm.

A rectangle has perimeter 68 cm and one side 19 cm. What is the other side?

Explanation: (68 ÷ 2) - 19 = 15 cm.

A rectangle is 35 cm long. Its perimeter is 106 cm. What is the width?

Explanation: (106 ÷ 2) - 35 = 18 cm.

A square has perimeter 112 cm. What is the side length?

Explanation: 112 ÷ 4 = 28 cm.

A triangle has perimeter 75 cm. Sides 28 cm and 22 cm. Missing side?

Explanation: 28 + 22 + missing = 75 → missing = 25 cm.

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