Subtract the price of each item from the amount and write what’s left. How many coins make Rs 30? How many coins make Rs 20? How many coins make Rs 40? How many coins make Rs 60? H... Subtract the price of each item from the amount and write what’s left. How many coins make Rs 30? How many coins make Rs 20? How many coins make Rs 40? How many coins make Rs 60? How many coins make Rs 10? How many coins make Rs 12?

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Understand the Problem

The question involves basic subtraction and counting related to money. Students need to subtract the price of various items from given amounts and complete questions about forming specific amounts with coins.

Answer

1. ₹90 2. ₹13 3. ₹5 4. ₹46 5. -₹4 (insufficient funds) Coin answers: - ₹30: 3 coins of ₹10 or 6 coins of ₹5 - ₹20: 2 coins of ₹10 or 4 coins of ₹5 - ₹40: 4 coins of ₹10 or 8 coins of ₹5 - ₹60: 6 coins of ₹10 or 12 coins of ₹5 - ₹10: 1 coin of ₹10 or 2 coins of ₹5 - ₹12: 1 coin of ₹10 and 1 coin of ₹2
Answer for screen readers
  1. ₹90
  2. ₹13
  3. ₹5
  4. ₹46
  5. -₹4 (insufficient funds)

Coin answers:

  • How many to make ₹30? 3 coins of ₹10 or 6 coins of ₹5
  • How many to make ₹20? 2 coins of ₹10 or 4 coins of ₹5
  • How many to make ₹40? 4 coins of ₹10 or 8 coins of ₹5
  • How many to make ₹60? 6 coins of ₹10 or 12 coins of ₹5
  • How many to make ₹10? 1 coin of ₹10 or 2 coins of ₹5
  • How many to make ₹12? 1 coin of ₹10 and 1 coin of ₹2

Steps to Solve

  1. Identify the amounts and prices List the amounts and prices from the worksheet:
  • Amounts: ₹100, ₹20, ₹10, ₹50, ₹2
  • Prices: ₹10, ₹7, ₹5, ₹4, ₹6
  1. Subtract the prices from the amounts For each item, perform the subtraction:
  • For ₹100: $$ 100 - 10 = 90 $$
  • For ₹20: $$ 20 - 7 = 13 $$
  • For ₹10: $$ 10 - 5 = 5 $$
  • For ₹50: $$ 50 - 4 = 46 $$
  • For ₹2: $$ 2 - 6 = -4 $$
  1. Write what's left Based on the calculations:
  • What's left after first subtraction: ₹90
  • After second subtraction: ₹13
  • After third subtraction: ₹5
  • After fourth subtraction: ₹46
  • After fifth subtraction: Negative amount indicates insufficient funds.
  1. Answer the coin questions Consider the denominations available to make different amounts:
  • To make ₹30: 3 coins of ₹10 or 6 coins of ₹5
  • To make ₹20: 2 coins of ₹10, or 4 coins of ₹5
  • To make ₹40: 4 coins of ₹10, or 8 coins of ₹5
  • To make ₹60: 6 coins of ₹10, or 12 coins of ₹5
  • To make ₹10: 1 coin of ₹10, or 2 coins of ₹5
  • To make ₹12: 1 coin of ₹10 and 1 coin of ₹2
  1. ₹90
  2. ₹13
  3. ₹5
  4. ₹46
  5. -₹4 (insufficient funds)

Coin answers:

  • How many to make ₹30? 3 coins of ₹10 or 6 coins of ₹5
  • How many to make ₹20? 2 coins of ₹10 or 4 coins of ₹5
  • How many to make ₹40? 4 coins of ₹10 or 8 coins of ₹5
  • How many to make ₹60? 6 coins of ₹10 or 12 coins of ₹5
  • How many to make ₹10? 1 coin of ₹10 or 2 coins of ₹5
  • How many to make ₹12? 1 coin of ₹10 and 1 coin of ₹2

More Information

This problem reinforces foundational skills in subtraction and understanding currency. It teaches students how to manage money practically and encourages thinking about how to combine coins to reach specific totals.

Tips

  • Misplacing the decimal: Ensure amounts are written correctly.
  • Ignoring negative results: Understand that not enough funds yield a negative amount.
  • Choosing incorrect coin combinations: Double-check coin values to ensure they total correctly.

AI-generated content may contain errors. Please verify critical information

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