02-05-2020
Mathematics

contestada

4.)star liked to practice her number sense when possible. She
wanted to add two 2 digit numbers in her head. She thought 50 + 10
= 60 and 6+ 7 = 10 + 3. Then she was able to write down the correct
answer. Which problem was she solving?

Respuesta :

mysticchacha mysticchacha

02-05-2020

Answer:

56 + 17

Step-by-step explanation:

The numbers could be

56 + 17 because Star was separating how she added the decimal places

She added the tens units first and then the ones units last.

so 50 + 10 first

and then 6 + 7

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