Addition
What is the sum of 6 + 7?
13
What is 5 + 5?
10
What does a - sign mean??
To subtract or take away
10 - 5 =
5
Which expression is an example of a double?
5+7
9+6
4+4
3+8
4+4
What is a double? Write an example.
When the same numbers are added together.
For example, 7+7 and 4+4
What is the difference of 14 - 5?
9
17 - 8 =
9
Which two numbers make a 10?
6 and 3
9 and 2
5 and 6
7 and 3
7 and 3
Write down 2 ways to make a ten.
1 + 9
2 + 8
3 + 7
4 + 6
5 + 5
18 - 6 =
12
20 - 18 =
2
Pick the expression that has a sum of 14?
3 + 7
12 + 2
6 + 5
9 + 1
12 + 2
What is one strategy you can use to solve addition problems?
Tools
Drawing a model
Number line
Counting on
Which expression has a difference of 2?
6-3
4-2
5-4
6-2
5-2
Ms. Collins has 6 skittles. She eats 3 of them. How many skittles does she have left?
3 skittles
Which expression is a way to find 8 + 3?
10+3
10+1
10+8
11
10+1
What is 3 + 4 + 6?
13
Which expression has a difference of 5?
13-6
10-6
12-6
11-6
11-6
Ms. Collins has 19 jellybeans. She gives 8 of them away. How many jellybeans does she have left?
11 jellybeans