In math addition facts of 14, 15, 16, 17 and 18 we need to find the two numbers that add to make 14, 15, 16, 17 and 18. There are many combinations of numbers that add to make fourteen, fifteen, sixteen, seventeen and eighteen.

To solve addition children need to memorize basic addition facts.

**Addition fact sums to 14: **

When we study about basic addition facts sums to 14, we will find all the possible sums that make up that number fourteen with the help of two addends.

Possible sums to make the number 14 are;

0 + 14 = 14

1 + 13 = 14 ** **

2 + 12 = 14

3 + 11 = 14

4 + 10 = 14

5 + 9 = 14

6 + 8 = 14

7 + 7 = 14

** **

Related addition fact sums to 14 are;

8 + 6 = 14

9 + 5 = 14

10 + 4 = 14

11 + 3 = 14

12 + 2 = 14

13 + 1 = 14

14 + 0 = 14

** **

**Addition fact sums to 15:**

When we study about basic addition facts sums to 15, we will find all the possible sums that make up that number fifteen with the help of two addends.

Possible sums to make the number 15 are;

0 + 15 = 15

1 + 14 = 15 ** **

2 + 13 = 15

3 + 12 = 15

4 + 11 = 15

5 + 10 = 15

6 + 9 = 15

7 + 8 = 15

Related addition fact sums to 15 are;

8 + 7 = 15

9 + 6 = 15

10 + 5 = 15

11 + 4 = 15

12 + 3 = 15

13 + 2 = 15

14 + 1 = 15

15 + 0 = 15

** **

**Addition fact sums to 16:**

When we study about basic addition facts sums to 16, we will find all the possible sums that make up that number sixteen with the help of two addends.

Possible sums to make the number 16 are;

0 + 16 = 16

1 + 15 = 16 ** **

2 + 14 = 16

3 + 13 = 16

4 + 12 = 16

5 + 11 = 16

6 + 10 = 16

7 + 9 = 16

8 + 8 = 16

Related addition fact sums to 16 are;

7 + 9 = 16

6 + 10 = 16

5 + 11 = 16

4 + 12 = 16

3 + 13 = 16

2 + 14 = 16

1 + 15 = 16

0 + 16 = 16

** **

**Addition fact sums to 17:**

When we study about basic addition facts sums to 17, we will find all the possible sums that make up that number seventeen with the help of two addends.

Possible sums to make the number 17 are;

0 + 17 = 17

1 + 16 = 17 ** **

2 + 15 = 17

3 + 14 = 17

4 + 13 = 17

5 + 12 = 17

6 + 11 = 17

7 + 10 = 17

8 + 9 = 17

Related addition fact sums to 17 are;

9 + 8 = 17

10 + 7 = 17

11 + 6 = 17

12 + 5 = 17

13 + 4 = 17

14 + 3 = 17

15 + 2 = 17

16 + 1 = 17

17 + 0 = 17

** **

**Addition fact sums to 18:**

When we study about basic addition facts sums to 18, we will find all the possible sums that make up that number eighteen with the help of two addends.

Possible sums to make the number 18 are;

0 + 18 = 18

1 + 17 = 18 ** **

2 + 16 = 18

3 + 15 = 18

4 + 14 = 18

5 + 13 = 18

6 + 12 = 18

7 + 11 = 18

8 + 10 = 18

9 + 9 = 18

Related addition fact sums to 18 are;

10 + 8 = 18

11 + 7 = 18

12 + 6 = 18

13 + 5 = 18

14 + 4 = 18

15 + 3 = 18

16 + 2 = 18

17 + 1 = 18

18 + 0 = 18

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