addition & subtraction
2+4
6
6-3
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
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
14-2=
12
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
16+3=
19
17=19-___
17=19-2
13=15-___
13=15-2
You have 7 trucks, Sue has 5 cars, and Tom has 3 boats. How many toys altogether?
15 toys
17-3=
17-3=14
19-6=
13
___-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