Open Number line
67-30=
What is 37
50-28=
22
24-7=
17
52-8=
44
Sue took out 5 books from the library on Monday. She took out 6 books from the Library on Tuesday. Then she returned 3 books on Wednesday. How many books does Sue have on Thursday?
5+6=11
11-3=8
42-30=
What is 12.
45-27=
18
32-13=
19
73-9=
64
5 black cows are at the ranch. 9 brown cows join them. Then 6 cows leave the ranch. How many cows are still at the ranch?
5+9=14
14-6=8
78-46=
32
83-58=
25
61-47=
14
51-27=
24
Keena has 64 balloons. 28 of the balloon are red. 14 of the balloons are green. The rest of the balloons are purple. How many balloons are purple?
22
92-37=
55
74-46=
28
95-38=
99-21=
78
There are 24 peas on Kim's plate. Kim eats 15 peas. Then Kim's mother puts 8 more peas on her plate. How many peas are on Kim's plate?
17
Ethan counts 78 carrots. He sells 35 carrots at the farmers market. How many carrots does Ethan have left?
Rob has 34 snowballs. Some melted and now he has 18 snowballs. How many snowballs melted?
16
A bakery has 66 loaves of bread. 27 of the loaves are sold. How many loaves are sold?
39
Romi has 42 cards. Lisa has 75 cards. How many more cards does Lisa have than Romi?
33
Blake puts 8 marbles in the bag. Cole puts 9 marbles in the bag. Then Blake takes out 7 marbles from the bag. How many marbles are in the bag now?
10