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
What number is halfway between 20 and 60?
40
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
What number is halfway between 110 and 190?
150
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 = ___
What number is halfway between 26 and 100?
63
Is "In total" a key word for addition or subtraction?
addition
Ms. Stasia has 34 plants inside her house. She puts 16 of the plants outside. How many plants are left inside the house?
18 plants
98 + 26 = ___
124
74 - 36 = ___
38
What number is halfway between 32 and 68?
50
Is "altogether" a key word for addition or subtraction?
addition
Wyatt and Colin have 58 toys altogether. Trey has 29 toys. How many more toys do Wyatt and Colin have?
29 toys
76 + 25 = ___
101
67 - 28 = ___
39
What number is halfway between 11 and 67
39