20 questions
Find the missing addend.
5
6
6
8
Count on to add .
6 + 2 =
7
8
9
10
Add in any order.
8 + 1 =
1 + 8 =
10
7
9
6
Start with the greater number. Count on to add.
12
14
13
7
Add the doubles. Add the other number to find the sum.
6 + 6 + 2 =
12
14
10
15
Use the number line to subtract.
12 - 4 =
8
9
7
6
Switch the two addends. The number sentence is :
5 + 5 = 10
6 + 1 = 7
6 + 2 = 8
5 + 1= 6
Use the fact family to find the difference.
8
10
9
7
Add the doubles facts. Then subtract.
14 / 7
18 / 9
16 / 8
20 / 10
Find the missing addended.
7
9
6
10
Use the fact family to find the sum.
9 + 6 =
13
14
15
16
6 + 6 = 12
The related subtraction fact is :
11 - 6 = 5
6 - 6 = 0
12 - 6 = 6
12 - 1 = 11
Use the number line to help you add.
9 + 3 =
11
10
13
12
There were 8 seals lying on the beach. 5 seals were in the water. How many seals were there in all?
12
13
14
15
What doubles fact do the cubes below model?
7 + 7 = 14
5 + 5 = 10
6 + 6 = 12
8 + 8 = 16
Make a 10 to add. Add the other number to find the sum.
7 + 3 + 3 =
13
14
10
11
14
12
15
16
11 - 3 = 9
True
False
5 + 0 = 5
True
False
There are 16 fish swimming in a group.
6 of the fish swim away. How many fish are still swimming in the group?
6
7
9
10