Calculate Total Cost: Finding Price of Flour ($10) and Water ($13)

Addition with Price Lists

Here is a price list of products at a grocery store:

MilkWaterRiceFlourSugarSalt61371032How much money does Danny need to buy flour and water at the grocery store?

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Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Here is a price list of products at a grocery store:

MilkWaterRiceFlourSugarSalt61371032How much money does Danny need to buy flour and water at the grocery store?

2

Step-by-step solution

To solve this problem, we'll follow these steps:

  • Step 1: Identify the cost of each item Danny wants to buy.
  • Step 2: Sum the costs to find the total amount of money needed.

Now, let's work through each step:
Step 1: From the price list, the cost of Flour is 10 10 and the cost of Water is 13 13 .
Step 2: To find the total cost, add the cost of flour and water:
Total Cost = 10+13=23 10 + 13 = 23 .

Therefore, the total amount of money Danny needs to buy flour and water is 23 23 .

3

Final Answer

23 23

Key Points to Remember

Essential concepts to master this topic
  • Identify: Find the exact prices for each item needed
  • Add: Sum the individual prices: 10+13=23 10 + 13 = 23
  • Verify: Check your addition by counting up: 10, 20, 21, 22, 23 ✓

Common Mistakes

Avoid these frequent errors
  • Reading the wrong prices from the table
    Don't accidentally match items with wrong prices = wrong total! Students often misread tables or confuse rows. Always double-check which number corresponds to which item before adding.

Practice Quiz

Test your knowledge with interactive questions

If we have 67 blocks in total, how many blocks will remain if we remove 5 tens and 4 ones?

FAQ

Everything you need to know about this question

How do I read a price table correctly?

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Look at each row carefully! Match the item name on the right with its price on the left. In this table, Flour is in row 4 with price 10, and Water is in row 2 with price 13.

Do I need to add anything else besides the two prices?

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No! The question asks for flour and water only. Don't include tax, other items, or extra costs unless specifically mentioned in the problem.

What if I can't see the numbers clearly in the table?

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Take your time to read each number carefully. The prices are: Milk=6, Water=13, Rice=7, Flour=10, Sugar=3, Salt=2. Focus only on the items you need.

Is there a faster way to add the numbers?

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For simple addition like 10+13 10 + 13 , you can count up: start at 10, then add 13 by counting 11, 12, 13... up to 23. Or use the fact that 10+10=20 10 + 10 = 20 , then add the remaining 3.

How do I know my addition is correct?

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Try adding in reverse order: 13+10=23 13 + 10 = 23 . You should get the same answer! You can also subtract: 2310=13 23 - 10 = 13

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