addition & subtraction
2+4
6
+
What is the addition sign?
18-3
What is 15?
11-3
What is 8?
There are 3 birds in a tree. 5 birds join them, how many altogether?
8 birds
5+4
9
5+5=10
What is an equation?
17-4
What is 13?
16-4
What is 12?
I had 19 red beads, 3 rolled away. How many are left?
16
8+6
14
=
What is equal symbol?
19-5
What is 14?
18-2
What is 16?
Joe makes 12 cookies, Bob makes 8 cookies. How many altogether?
20 cookies
18-___=13
18-5=13
-
What is a subtraction sign?
19-3
16
13=15-___
13=15-2
You have 7 trucks, Sue has 5 cars, and Tom has 3 boats. How many toys altogether?
15 toys
20-10=
10
T and O
What are tens and ones?
___-2=17
19-2=17
19-___=12
19-7=12
Mia bought 18 apples, and gave 3 to Mark, and 4 to Sue. How many does she have left?
11 apples