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
How many tens are in 152?
50
What do we call the answer to an subtraction problem?
difference
Ms. Cassidy creates 33 math problems. Ms. Rudisill creates 17 math problems. How many math problems do they create in all?
50 math problems
33 + 23 = ___
56
84 - 23 = ___
61
What is the expanded form of 98?
90 + 8
Is it a key word for addition or subtraction?
fewer
subtraction
What is the difference between 57 and 32?
25
43 + 37 = ___
80
28 - 19 = ___
Complete the pattern:
25, 35, 45, ____, ____, ____
55, 65, 75
Are these key words for addition or subtraction?
how many more
how many fewer
difference
subtraction
Mrs. Lisa has 34 plants in her house. Stella puts 16 of the plants outside. How many plants are still in the house?
18 plants
98 + 26 = ___
124
74 - 36 = ___
38
248 ____ 292
>, <, or =
248 < 292
Are these key words for addition or subtraction?
altogether
in all
addition
Harry and Dylan have 58 toys altogether. Liam has 29 toys. How many more toys do Harry and Dylan have?
29 toys
76 + 25 = ___
101
67 - 28 = ___
39
There are 3 rows of pencils. There are 4 pencils in each row. How many pencils are there altogether?
Write a repeated addition sentence!
4 + 4 + 4 = 12
3 + 3 + 3 + 3 = 12