For Fun
What do we call the answer to an addition problem?
A. Sum
What is the sum of 149 and 39?
188
18 + 5 = ___
23
20 - 14 = ___
6
31 days
What do we call the answer to an subtraction problem?
Difference
Mrs. Davis creates 33 math problems. Mrs. Spears creates 17 math problems. How many math problems do they create in all?
50 math problems
83 + 23 = ___
106
34 - 15 = ___
How many days in March?
31 days
Is "fewer" a key word for addition or subtraction?
subtraction
What is the difference between 120 and 40?
80
43 + 37 = ___
80
28 - 19 = ___
9
How many days in June
30
Is "difference" a key word for addition or subtraction?
subtraction
Justin has 64 plants inside his house. She puts 16 of the plants outside. How many plants are left inside the house?
48 plants
98 + 29 = ___
127
74 - 36 = ___
38
How many weeks in a year?
52 weeks
Is "altogether" a key word for addition or subtraction?
addition
Nathan has 20 books, Tristan has 15 books, and Taylor has 31 books. How many do they have altogether?
61 books
76 + 25 = ___
101
200 - 150 = ___
50
How many months have 28 days?
Trick question - all of the them