Essey has 24 soccer balls. His friend Harvey has 15. How many more soccer balls does Essey have than Harvey?
9
10 + 12 =
22
23 + 19 =
42
55 - 23 =
32
23 - 14 =
9
Oleh has 36 toy cars. His friend brings over 28 more toy cars. How many toy cars do they have all together?
64
23 + 23 =
46
24 + 36
60
57 - 43 =
14
87 - 19 =
68
Mahaba has 25 outfits. She sold some at a garage sale. Now she has 19 outfits. How many outfits did she sell?
6
33 + 66 =
99
63 + 19 =
82
55 - 32 =
23
55 - 29 =
26
56 children played a game of tag. 27 of the children were girls. How many children were boys?
29
67 + 22 =
89
78 + 19 =
97
89 - 76 =
13
82 - 16 =
66
Nahum was playing Minecraft and was mining for diamonds with his friend Neto. Nahum ran into 23 creepers. His friend Neto then ran into 42 creepers. How many creepers did they see altogether?
65
64 + 25 =
89
78 + 23 =
101
92 - 76 =
16
What is regrouping?
When the bigger number is on the bottom in a subtraction problem, we have to borrow from the tens place