Explanation:
We are given sets of three numbers in each pot. The goal is to use those three numbers to write two addition facts and two subtraction facts — this is called a *fact family*.
A fact family uses the same three numbers to make related addition and subtraction equations. For any three numbers where two add up to the third (e.g., a + b = c), the four facts are:
- a + b = c
- b + a = c
- c − a = b
- c − b = a
Let’s go through each pot one by one.
Pot 1: 5, 2, 7
Check: 5 + 2 = 7 ✔️
So the facts are:
5 + 2 = 7
2 + 5 = 7
7 − 5 = 2
7 − 2 = 5
Pot 2: 6, 4, 10
Check: 6 + 4 = 10 ✔️
Facts:
6 + 4 = 10
4 + 6 = 10
10 − 6 = 4
10 − 4 = 6
Pot 3: 8, 1, 9
Check: 8 + 1 = 9 ✔️
Facts:
8 + 1 = 9
1 + 8 = 9
9 − 8 = 1
9 − 1 = 8
Pot 4: 3, 5, 8
Check: 3 + 5 = 8 ✔️
Facts:
3 + 5 = 8
5 + 3 = 8
8 − 3 = 5
8 − 5 = 3
Pot 5: 4, 3, 7
Check: 4 + 3 = 7 ✔️
Facts:
4 + 3 = 7
3 + 4 = 7
7 − 4 = 3
7 − 3 = 4
Pot 6: 5, 4, 9
Check: 5 + 4 = 9 ✔️
Facts:
5 + 4 = 9
4 + 5 = 9
9 − 5 = 4
9 − 4 = 5
All sets follow the same pattern. Just make sure the largest number is the sum of the other two — then you can build the four facts.
Final Answer:
Pot 1:
5 + 2 = 7
2 + 5 = 7
7 − 5 = 2
7 − 2 = 5
Pot 2:
6 + 4 = 10
4 + 6 = 10
10 − 6 = 4
10 − 4 = 6
Pot 3:
8 + 1 = 9
1 + 8 = 9
9 − 8 = 1
9 − 1 = 8
Pot 4:
3 + 5 = 8
5 + 3 = 8
8 − 3 = 5
8 − 5 = 3
Pot 5:
4 + 3 = 7
3 + 4 = 7
7 − 4 = 3
7 − 3 = 4
Pot 6:
5 + 4 = 9
4 + 5 = 9
9 − 5 = 4
9 − 4 = 5
Parent Tip: Review the logic above to help your child master the concept of fact family triangles worksheet printable.
