What are addends?
The two or more numbers added together in addition
What's the answer in a subtraction problem?
Difference
7 + ___ = 10
3
7 + 7 =
14
4 x 4
16
What does SUM mean?
The answer in addition
What happens when you have "More on the floor" of a subtraction problem?
You "go next door and get ten more".
2 + ____ = 10
8
9 + 9 =
18
6 X 6
36
What is the symbol for addition?
The plus sign
What do you do if there is a 0 when you try to get ten more?
You go over to the next place to regroup from that place until you can subtract correctly.
4 + ___ = 10
6
8 + 8 =
16
7 x 7
49
What is the opposite of addition?
subtraction
34 - 10
24
1 + ____ = 10
9
6 + 6 =
12
9 x 9
81
What happens if I have more than 10 ones to add in a math problem?
I have to regroup into the tens column.
204 - 100
104
What number doubled equals 10?
5
12 + 12 =
24
11 x 11
121