Vocabulary
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
Is 12 an even or odd number?
Even
What do we call the answer to an subtraction problem?
Difference
Ms. B creates 33 math problems. Ms. C creates 17 math problems. How many math problems do they create in all?
50 math problems
83 + 23 = ___
106
34 - 15 = ___
Complete the pattern:
50, 40, 30, __, __, __
20, 10, 0
Is "fewer" a key word for addition or subtraction?
subtraction
What is the difference between 157 and 38?
43 + 37 = ___
80
28 - 19 = ___
9
Complete the pattern:
125, 135, 145, ____, ____, ____
155, 165, 175
Is "difference" a key word for addition or subtraction?
subtraction
Ms. S has 64 plants inside her house. She puts 16 of the plants outside. How many plants are left inside the house?
48 plants
98 + 29 = ___
127
74 - 36 = ___
38
Ms. T had 8 math and science books. 7 of the books were math books. How many were science books?
1 book was science
Is "altogether" a key word for addition or subtraction?
addition
Bilal has 20 books, Omer has 37 books, and Yorsalem has 31 books. How many do they have altogether?
88 books
76 + 25 = ___
101
200 - 150 = ___
50
Ms. V drank 3 cups of hot chocolate yesterday. She then drank 5 today. How much did she drink in all?
8 cups of hot chocolate