Vocabulary
What do we call the answer to the addition problem?
Sum
What is the sum of 23 and 29?
52
78 + 13 = ___
91
28 - 11 = ___
17
Is "how much more" a keyword for addition or subtraction?
Subtraction
Ms. Sosona creates 21 math problems. Ms. Engy creates 16 math problems. How many math problems do they create in all?
37 math problems
23 + 33 = ___
56
84 - 63 = ___
21
Is "fewer" a keyword for addition or subtraction?
Subtraction
What is the difference between 75 and 23?
52
52 + 32 = ___
84
28 - 19 = ___
9
Is "difference" a keyword for addition or subtraction?
Subtraction
Ms. Josephine has 43 plants inside her house. She puts 21 of the plants outside. How many plants are left inside the house?
22 plants are left inside the house
81 + 13 = ___
94
74 - 30 = ___
44
Is "altogether" a keyword for addition or subtraction?
Addition
Kingsley and Mathew have 49 toys altogether. Andrew has 17 toys. How many more toys do Kingsley, Mathew, and Andrew have?
34 toys
43 + 49 = ___
92
87 - 28 = ___
59