Question 33 of 48intermediate🔍 AnalyzeNumerical3 marks

Complete the following: 40×540 \times 5 = ... spokes, 70×570 \times 5 = ... spokes, 100×5100 \times 5 = ... spokes. Describe the patterns you see here.

Correct Answer

Step 1: 40×540 \times 5 = 200 spokes

Step 2: 70×570 \times 5 = 350 spokes

Step 3: 100×5100 \times 5 = 500 spokes

Pattern: When multiplying by 5, the product ends in 0 or 5. For numbers ending in 0, the product ends in 0. Multiplying by 5 is the same as multiplying by 10 and dividing by 2.

Exercise: Try these | Q: 3 | (Page Page 20)
For More Understanding

Explanation

The chapter shows patterns in multiplication by 5. 40×540 \times 5=200, 70×570 \times 5=350, 100×5100 \times 5=500. The pattern is that products of numbers ending in 0 multiplied by 5 also end in 0. Also, multiplying by 5 is half of multiplying by 10.

Solution Steps

  1. Step 1: 40×540 \times 5 = 200

  2. Step 2: 70×570 \times 5 = 350

  3. Step 3: 100×5100 \times 5 = 500

  4. Step 4: Pattern: Products end in 0 when multiplier ends in 0