Addition or subtraction
What is the sum of 9 and 9?
addition 9 + 9= 18
What number is 6 tens and 2 ones?
62
10 + 7 =
17
19 - 5 =
14
Ms. Allen writes 4 worksheets. Ms. Johnson writes 10 worksheets. How many worksheets do they write in all?
addition 10 + 4 = 14
What number is 4 tens and 7 ones?
47
18 - 7 =
11
Is it a keyword for addition or subtraction?
combined
addition
Ms. Johnson has 20 apples. Ms. Lang has 5 more apples than Ms. Johnson. How many apples does Ms. Lang have?
Addition 20 + 5 = 25
What number is 5 tens and 3 ones?
53
What is 5 tens?
50
Solve this problem:
Dayana has 10 dogs. Winter has 19 dogs. How many more dogs does Winter have than Dayana?
9 more dogs
Eva has 30 apples. Jamel has 10 apples. How many more apples does Eva have than Jamel?
subtraction 30 - 10 = 20
What is the number if I have 9 tens?
90
What is 8 tens plus 2 tens?
10 tens or 100
Josiah and Rafael collected 18 Pokemon cards. Ms. Johnson gave them 10 more. How many cards do Josiah and Rafael have now?
18 + 10 = 28 cards