+ Doubles
20 + 20
40
7 + 100
107
12 - 10
2
20 + 8
28
Erin has 3 suckers. Elly has 7 suckers. How many suckers do they have altogether?
10 suckers
3 + 7 = 10
50 + 50
100
35 +10
45
24 - 10
14
90 + 40
130
Ishraq found 8 rocks. Rhiannon has 8 rocks. How many rocks do they have in all?
16 rocks
8 + 8 = 16
100 + 100
200
68 + 10
78
55 - 10
45
100 + 57
157
Jaevin bought 10 stickers. Abubeker gave him 5 more stickers. How many stickers does Jaevin have now?
15 stickers
10 + 5 = 15
70 + 70
140
93 + 10
103
71 - 10
61
200 + 300
500
Mrs. Johnson had 18 M & M's. She ate 10 of them. How many does she have left?
8 M & M's
18 - 10 = 8
90 + 90
180
116 + 10
126
129 - 10
119
600 + 400
1,000
Dublin has 20 pencils. Kamaal has 20 pencils. How many pencils do they have in all?
40 pencils
20 + 20 = 40