Addition or Subtraction of Whole Numbers



Yesterday, John had 237 baseball cards. Today he got 105 more. How many cards does John have now?

Solution

Step 1:

Number of baseball cards John had = 237

Number of cards John got more = 105

Step 2:

Number of cards John has now = 237 + 105 = 342

Word problem (on addition)

Yesterday, Boris had 345 game cards. Today he gave 132 away. How many cards does Boris have left?

Solution

Step 1:

Number of game cards Boris had = 345

Number of cards Boris gave away = 132

Step 2:

Number of cards remaining with Boris = 345 – 132 = 213

Word problem (on subtraction)


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