Adding 10s
10 + 20 = ?
30
30 - 10 = ?
20
15 - 4 = ?
11
Avery has 30 stickers. She buys 10 more. How many stickers does she have all together?
40 stickers
30 + 30 = ?
60
40 - 20 = ?
20
53 + 2 = ?
55
Daniel has 50 Pokémon cards. He buys 30 more cards. How many cards does Daniel have in all?
80 cards
41 + 30 = ?
71
70 - 30 = ?
40
43 + 25 =
68
Gio has 40 donuts. He ate 10 donuts. How many donuts does he have left?
30 donuts
54 + 20 = ?
74
58 - 40 = ?
18
24 + 7 = ?
31
Eduardo has 25 race cars. He buys 14 more race cars. How many race cars does Eduardo have in all?
39 race cars
63 + 30 = ?
93
67 - 40 = ?
27
38 + 5 = ?
43
Rylie has 74 pink pencils. She gave away 40 pencils to her friends. How many pink pencils does Rylie have left?
34 pink pencils