In math addition fact sums to 10 we need to find the two numbers that add to 10. There are many numbers that add to 10 (ten).
Suppose Kelly’s mother gave 5 pencils how many pencils Kelly need more to make 10? She needs 5 more pencils to make 10. Since, 5 + 5 =10.
Memorize the table based on addition facts that add to 10:
From the above table write the number to make the sum 10:
0 + 10 = 10
1 + 9 = 10
2 + 8 = 10
3 + 7 = 10
4 + 6 = 10
5 + 5 = 10
Related addition fact sums to 10:
5 + 5 = 10
6 + 4 = 10
7 + 3 = 10
8 + 2 = 10
9 + 1 = 10
10 + 0 = 10
Worked-out examples to find the addition fact sums to 10:
1. Add: 6 + 4 = ?
Count the
numbers up to add. Start counting from 6 and count up 4:
6, 7, 8, 9, 10
6 + 4 = 10
The sum is 10.
2. Find the missing addend whose addition fact sums to 10:
(i) 10 = 2 + ?
Start counting the numbers after 2 to make it equal to 10
3, 4, 5, 6, 7, 8, 9, 10
Count the numbers now, there are 8 numbers.
10 = 2 + 8
(ii) 10 = 4 + ?
Start counting the numbers after 4 to make it equal to 10
5, 6, 7, 8, 9, 10
Count the numbers now, there are 6 numbers.
10 = 4 + 6
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