Addition
5 + 1 =
6
The zoo has 4 striped snakes. It has 2 yellow snakes. Write 2 ways you can find how many snakes the zoo has in all and solve.
4 + 2 = 6; 2 + 4 = 6
What is an example of a double?
4 + 4 = 8
Two addends that are the same are called doubles.
Write a number sentence for this problem:
Four friends were eating a snack. Four more friends joined them. Each friend ate a cookie. How many cookies did they eat?
4 + 4 = 8
They ate 8 cookies.
6 + 4 + 2 =
12
5 + 3 =
8
There are 5 pink fish in a tank. 5 yellow fish and 3 blue fish are added to the tank. How many fish are in the tank now?
13 fish are in the tank now.
What is an example of a near double?
4 + 5 = 9
Two addends that are almost a doubles fact are called near doubles.
Write a number sentence.
Miss. Gargiulo has 5 new books in her classroom library. Then she buys 7 more books. How many new books does Miss. Gargiulo have?
5 + 7 = 12
Miss. Gargiulo has 12 new books.
5 + 5 + 9 =
19
6 + 7 =
13
There are 6 pigs at the farm. There are 8 sheep at the farm. How many pigs and sheep are there at the farm?
What property is this an example of?
3 + 5 = 8; 5 + 3 = 8
Hint: Identity or commutative
The commutative property. You can add numbers in any order.
Eva has 4 markers. Leo has 3 more markers than Eva. How many markers do they have in all?
4 + 3 = 7
They have 7 markers in all.
7 + 3 + 8 =
18
9 + 0 =
9
Toby creates 13 lego pieces on Saturday. On Sunday, he creates 5 more lego pieces. How many lego pieces did Toby make?
Toby made 18 lego pieces.
What property is this an example of?
5 + 0 = 0
Hint: Identity or commutative
Identity property.
Any number plus zero equals that number.
Write a number sentence.
Miss. Gargiulo's class went to the zoo. They saw 5 black bears, 7 penguins, and 4 lizards. How many animals did they see in all?
5 + 7 + 4 = 16
Miss Gargiulo's class saw 16 animals in all.
8 + 2 + 4 =
14
9 + 4 =
13
The zoo has 3 giraffes, 4 African elephants, and 3 Asian elephants. How many giraffes and elephants are at the zoo?
What property is this an example of?
7 + 8 = 15; 8 + 7 = 15
Write a number sentence.
Fernando has 4 fish. Giavanna has 6 hamsters. Tobin has 3 dogs. How many pets do they have all together?
4 + 6 + 3 = 13
They have 13 pets all together.
9 + 5 + 1 =
15