Vocabulary
What do we call the answer to an addition problem?
sum
What is the sum of 149 and 39?
188
187 + 51 = ___
238
82 - 49 = ___
How many tens are in 152?
50
What do we call the answer to an subtraction problem?
difference
Mrs. Pope creates 33 math problems. Mrs. C creates 17 math problems. How many math problems do they create in all?
50 math problems
83 + 23 = ___
106
284 - 76 = ___
208
What is 8 x 7=
56
Is "fewer" a key word for addition or subtraction?
subtraction
What is the difference between 157 and 38?
43 + 37 = ___
80
28 - 19 = ___
Complete the pattern:
125, 135, 145, ____, ____, ____
155, 165, 175
Is "difference" a key word for addition or subtraction?
subtraction
Ms. Sellers has 64 plants inside her house. She puts 16 of the plants outside. How many plants are left inside the house?
48 plants
198 + 29 = ___
227
174 - 36 = ___
138
Is 12 even or odd number?
even
Is "altogether" a key word for addition or subtraction?
addition
Mark and Jacob have 128 toys altogether. Trey has 29 toys. How many more toys do Wyatt and Colin have?
99 toys
76 + 25 = ___
101
267 - 128 = ___
139
There are 3 rows of chairs. There are 4 chairs in each row. How many chairs are there altogether?
3 x 4 = 12