1+3=?
4
4-2=?
2
Write the fact family for the following numbers:
3,4,1
____+____=____
____+____=____
____ - ____=____
____ - ____=____
3 + 1 = 4
1 + 3 = 4
4 - 1 = 3
4 - 3 = 1
There are 4 birds sitting on a tree. Then 5 more birds join them. How many birds are on the tree in all?
4 + 5 = 9
There are 9 birds on the tree in all.
Tom sees 3 cats in the yard. Then 4 more cats come. How many cats does Tom see now?
3 + 4 = 7
Tom sees 7 cats now.
4+6=?
10
7-1=?
6
Write the fact family for the following numbers:
2,7,5
____+____=____
____+____=____
____ - ____=____
____ - ____=____
2 + 5 = 7
5 + 2 = 7
7 - 5 = 2
7 - 2 =5
Jack had 7 toy cars. He gave 2 to his friend. How many toy cars are left?
7 - 2 = 5
There are 5 toy cars left.
Ben had 10 cookies. He ate 4. How many cookies does Ben have now?
10 - 4 = 6
Ben has 6 cookies now.
9+7=?
16
9-3=?
6
Write the fact family for the following numbers:
10,6,4
____+____=____
____+____=____
____ - ____=____
____ - ____=____
4 + 6 = 10
6 + 4 = 10
10 - 4 = 6
10 - 6 =4
A basket has 9 apples. Someone adds 6 more apples. How many apples are in the basket in all?
9 + 6 = 15
There are 15 apples in the basket in all.
What is the answer to an addition problem called?
sum
12+2=?
14
15-10=?
5
Write the fact family for the following numbers:
4,16,12
____+____=____
____+____=____
____ - ____=____
____ - ____=____
12 + 4 = 16
4 + 12 = 16
16 - 4 = 12
16 - 12 = 4
Anna collects 14 seashells at the beach. Later, she finds 6 more. How many seashells does Anna have in all?
14 + 6 = 20
Anna has 20 seashells in all.
What is the answer to a subtraction problem called?
15+5=?
20
20-8=?
12
Write the fact family for the following numbers:
20,16,4
____+____=____
____+____=____
____ - ____=____
____ - ____=____
16 + 4 = 20
4 + 16 = 20
20 - 16 = 4
20 - 4 = 16
Lily had 20 pieces of candy. She shared 8 with her friends. How many pieces of candy are left?
20 - 8 = 12
There are 12 pieces of candy left.
The farmer has 14 cows and 9 horses. How many more cows than horses does he have?
14 - 9 = 5
5 more cows than horses