Identify the operation

Front

Greg sold 40 Lego blocks. Before he sold them he had 100 blocks. How many blocks does he have now?

Back

60 blocks. (100 - 40 = 60)

Front

Which operation should you use when the problem has the word: "DIFFERENCE"?

Back

Subtraction.

Front

"HOW MANY MORE.." tells me that I need to _____

Back

Subtract.

Front

Which operation should you use when the problem has the word: "SUM"?

Back

Addition.

Front

Which operation should you use when the problem has the word: "TOGETHER"?

Back

Addition.

Front

If you have 5 apples and you buy 3 more, how many apples do you have?

Back

8 apples. (5 + 3 = 8)

Front

If there are 10 birds on a tree and 4 fly away, how many are left?

Back

6 birds. (10 - 4 = 6)

Front

What is the operation used to find the total of two or more numbers?

Back

Addition.

Front

What is the operation used to find out how much is left after taking away?

Back

Subtraction.

Front

If you have 15 candies and you give away 5, how many do you have left?

Back

10 candies. (15 - 5 = 10)