Higher order thinking jamie says

that 19 - 10 is equal to 20 – 10

because both use subtraction. is jamie

correct? explain why or why not.

**1st grade question**

Jamie is incorrect

Step-by-step explanation:

The same number 10 is subtracted from both numbers 19 and 20. There result will only be the same if both numbers are equal.

We compare both numbers;

19 and 20

On the number line 19 comes before 20, which means 20 is greater than 19. Hence the result of subtracting the same number 10 from both of them cannot be the same.

So Jamie is incorrect.

add all the numbers and check the ones place.

the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490

the camry sales+accord sale=828,000. to make it so the two numbers are 18 thousand apart and still equal 828,000, you first need to find out what half of 828,000 is. 828,000/2=414,000. for the two numbers to equal 828,000, you have to add the same amount as you subtract from the middle. in this case, the number is 9,000 because it's half of 18,000. to equal 828,000, you have to add 9,000 to 414,000 for the camry and subtract 9,000 from 414,000 for the accord. 414,000+9,000=423,000.

414,000-9,000=405,000.

423,000+405,000=828,000.

423,000-405,000=18,

hope it