Lesson eLearning

Sunita wants to buy old bricks for constructing a boundary wall. If the cost of old bricks is for every bricks, how much total money will she need to pay?

medium 2 marks Class 4 · Mathematics · Building with Bricks
Answer

The correct answer is — Step 3: Multiply the cost per thousand bricks by to find the cost of bricks: .

Step-by-step solution

  1. Step 1: Find how many thousands are there in bricks. thousands.
  2. Step 2: Note the cost of one thousand bricks, which is given as .
  3. Step 3: Multiply the cost per thousand bricks by to find the cost of bricks: .
Common mistake: Students may multiply directly by without first dividing by .

Concept tested: Calculating cost using thousands of bricks

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