Question

Use mental math to find the sum.

49 + 27

Answer 1

50 + 25 + 1 = 76. That's how I do it

Answer 2

thank you ...can you help one more question ?

Answer 3

@tinybookworm

Answer 4

Which whole number property is represented?

10 + 0 = 10



Associative Property of Addition

Commutative Property of Addition

Identity Property of Addition

Answer 5

I think it is C

Answer 6

okay thank you i think its c to :)

Answer 7

Round 14.281 to the nearest one.



13

14

15

16

Answer 8

14 of course.

Answer 9

thank you

Answer 10

It's my pleasure

Answer 11

http://en.wikipedia.org/wiki/Trachtenberg_system

Answer 12

thank you

Answer 13

Paige is volunteering for a local campaign. Last week she made 127 phone calls and this week she has made 59 phone calls. About how many phone calls has she made altogether?



190

180

200

170

Answer 14

Just add them together.

Answer 15

it 190

Answer 16

Yes. Round it to the nearest ten