Addition Within 20
5 + 5
10
7 - 4 =
3
Ms. Kristina has 3 markers. Ms. Briana gives her 3 more. How many does Ms. Kristina have now?
3 + 3 = 6
10 + 10 =
20
20 - 10 =
10
6 + 6 =
12
10 - 3 =
7
Warren has 5 cookies. He ate 2. How many does he have left?
5 - 2 = 3
30 + 10 =
40
30 - 10 =
20
8 + 7 =
15
11 - 6
5
Jay has 7 pencils. Mia gives him 5 more. How many does he have now?
7 + 5 = 12
40 + 10 =
50
50 - 10 =
40
10 + 9 =
19
16 - 10
6
Emma has 11 candy bars. She gives away 7. How many does she have now?
11 - 7 = 4
65 + 10 =
75
75 - 10 =
65
14 + 4 =
18
19 - 3
16
Jay has 18 erasers. He gives away 9. How many does he have now?
18 - 9 = 9
85 + 10 =
95
95 - 10 =
85