Vocabulary
What do we call the answer to an addition problem?
sum
What is the sum of 19 and 39?
58
87 + 11 = ___
98
56 - 34 = ___
22
Is "take away" a key word for addition or subtraction?
subtraction
Mrs. Pope creates 33 math problems. Mrs. C creates 17 math problems. How many math problems do they create in all?
50 math problems
33 + 23 = ___
56
84 - 23 = ___
61
Is "less than" a key word for addition or subtraction?
subtraction
What is the difference between 57 and 32?
25
43 + 37 = ___
80
28 - 19 = ___
Is "In total" a key word for addition or subtraction?
addition
Sarah's class is making gingerbread houses for their winter party. They started with 145 pieces of candy to decorate their houses. During recess, they found 28 more pieces in the craft cabinet. After decorating for an hour, they used 37 pieces of candy. How many pieces of candy do they have left?
136 pieces of candy were left.
298 + 326 = ___
624
574 - 36 = ___
538
Is "altogether" a key word for addition or subtraction?
addition
The third grade classes are building snowmen in the schoolyard. Ms. Micheal's class made 24 snowmen and Ms.Emma's class made 31 snowmen. By lunchtime, 15 snowmen had melted in the sun. How many snowmen were still standing?
40 snowmen were still standing.
376 + 225 = ___
601
478-323
155