Steply

The sum of a number and 11

Step by step, with the reason for every step · Words to expressions · Algebra 1

Step by step

The question

Question: write with math signs: the sum of a number and 11.

the sum of a number and 11

1 Change words to math

2 Put it in order

So we get n + 11.

= n + 11

3 Check

Let's check with a number.

Say the number is 10.

The sum of 10 and 11 is 21.

the sum of 10 and 11 is 21

And 10 + 11 is 21 too.

So n + 11 is right!

10 + 11 = 21

Let's look back.

First: change words to math.

Then: put it in order.

Last: check.

Answer
= n + 11

Your turn

Try this one yourself, then check:

the sum of a number and 12
Show the answer
n + 12

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