+
Yesterday, I saw 11 birds on a branch. 3 birds joined them on the branch. How many birds were on the branch then?
11+3 = 14
14 birds were on the branch
Toby dropped 12 crayons on the classroom floor. Toby picked up 9 crayons. Marnie picked up the rest. How many crayons did Marnie pick up?
12-9=3
Marnie pick up 3 crayons.
9+__ = 13
4
12 - 9 =
3
9+ __ = 13
__ - __ = ___
9 + 4 = 13
13 - 4 = 9
Maddy goes to the pond and catches 8 bugs, 3 frogs, and 2 tadpoles. How many animals did she catch altogether?
8+3+2= 13
She catch 13 anmials.
There were 11 students on the playground. Some students went back into the classroom. If 7 students stayed outside, how many students went inside?
11 - 7 =4
4 students went inside.
8+ ___ = 12
4
11 - 8 =
3
12 = ___ + 7
___ - ____ = _____
12 = 5+ 7
12 - 5 = 7
Lisa was reading a book. She read 6 pages the first night, 5 pages the next night, and 4 pages the following night. How many pages did she read?
6+5+4=15
Lisa read 15 pages in total.
Simone had 12 bagels. She shared some with friends. Now, she has 9 bagels left. How many did she share with friends?
12 - 9 = 3
she shared 3 bagels with friends.
12= __ + 7
5
15 - 6 =
9
Write a number bond for each number sentence, and use a drawing to show a ten and some ones for each subtraction sentence.
13 - 9 =
There are 3 chairs on the left side of the classroom and 9 on the right side. How many total chairs are in the classroom?
3+9=12
There are 12 chairs in the classroom.
Mike collected 9 pinecones on Friday and some more on Saturday. Mike collected a total of 14 pinecones. How many pinecones did Mike collect on Saturday?
14-9=5
Mike collect 5 more on Saturday.
3+ 6 + 5 =
14
17 - 8 - 2 =
7
Write a number bond for each number sentence, and use a drawing to show a ten and some ones for each subtraction sentence.
12 - 8 =
Michael plants 9 flowers in the morning. He then plants 4 flowers in the afternoon, and 3 more in the evening. How many flowers did he plant by the end of the day?
9+4+3=16
He planted 16 flowers by end of the day.
Mr. Baggy owns a pet store.
He counted 10 goldfish in a big tank and 5 goldfish in a small tank. He sold 8 goldfish out of the big tank. How many goldfish did he have left in all?
10+5-8=7
He had 7 goldfish left in all.
5+ 8 + 9 =
22
19 - 4 - 7=
8
Truth or False
8+5=10+2
False, becuase 8+5= 13, and 10+2 = 12