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Subtraction within 20
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%
0
0
0
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19 - 2
17
Oops!
Okay!
15 - 7
8
Oops!
Okay!
17 - 4
13
Oops!
Okay!
20 - 11
9
Oops!
Okay!
15 - 4
11
Oops!
Okay!
20 - 3
17
Oops!
Okay!
18 - 6
12
Oops!
Okay!
The pirate found 18 gold coins. He lost 3 of them. How many gold coins does the pirate have now?
15
Oops!
Okay!
15 - 9
6
Oops!
Okay!
Mary had 18 crayons. She shared 9 crayons with her classmates. How many crayons does Mary have left?
9
Oops!
Okay!
16 - 2
14
Oops!
Okay!
16 - 3
13
Oops!
Okay!
14 - 7
7
Oops!
Okay!
My mom baked 12 cookies. My brother ate 6 cookies. How many cookies are left?
6
Oops!
Okay!
17 - 5
12
Oops!
Okay!
15 - 10
5
Oops!
Okay!
17 - 9
8
Oops!
Okay!
20 - 4
16
Oops!
Okay!
20 - 10
10
Oops!
Okay!
Harry had 13 gumballs. He gave 3 to his brother. How many guumballs does Harry have left?
10
Oops!
Okay!
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