Find 192 + 234 + 519.

Answer 1

We can add these numbers in any order since addition is commutative. Let's start by adding 192 and 234:

```
192
+ 234
-----
426
```

Now we can add this sum to 519:

```
426
+ 519
-----
945
```

So the total sum is 945.

Answer 2

Carol says that
83
+
96
+
74
is greater than 300.

Is Carol correct? Why or why not?

Use the drop-down menus to show and explain your answer.

Choose...
each addend is
Choose...
than 100, so the sum must be
Choose...
than 300

Answer 3

Choose...

"each addend is less than 100, so the sum must be less than 300"

Carol is incorrect because each addend is less than 100, so the sum must be less than 300. We can verify this by adding the numbers:

83 + 96 + 74 = 253

Since 253 is less than 300, we can conclude that Carol's statement is false.