Addition or Subtraction Problem Solving

Is this an addition or subtraction bar model?

• addition

• subtraction

Add or subtract?

• Add

• Subtract

Add or Subtract?

• Add

• Subtract

Add or Subtract? Tom has 320 strawberries to sell. He throws 26 rotten strawberries away. How many strawberries does Tom have left to sell?

• Add

• Subtract

Mr McQuerry has 776 juice boxes. He sells 102 juice boxes. How many juice boxes does he have now?

Is this addition or subtraction?

• Addition

• Subtraction

Find and explain the error.    
                  5 - 3 + 2
    =    5 - 5
=       0

• There is no error.

• Addition was done first and you should have subtracted first

• There is a subtraction error

finding the total amount, or sum, of two or more numbers

• addition

• subtraction

• multiplication

• division

taking one number away from another

• addition

• subtraction

• multiplication

• division

the answer to an addition problem

• sum

• difference

• product

• quotient

1,467 people went to the movies on Friday.  5,815 people went on Saturday.  About how many people went to the movies on both days?
What operation will you use to solve this problem?

• +

• -

• X