How many pairs of numbers add up to 11?l have used calculation find their is 6 pairs But like to know • How could I change how I originally did this activity (include resources and mathematics used)?
2 answers:
All the pairs that add up to 11 are: 5+6, 1+10, 2+9.3+8, 4+7,11+0,
<span> If all numbers are greater than zero and no repeated numbers exist these are the 5 possible combinations: 1 + 2 + 8 1 + 3 + 7 1 + 4 + 6 2 + 3 + 6 2 + 4 + 5. If one number is allowed to be zero and no repeated numbers exist these are 5 combinations: </span><span> 0 + 11 1 + 1 + 9 2 + 2 + 7 3 + 3 + 5 4 + 4 + 3 5 + 5 + 1 </span><span> Hope this helps </span>
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