Question

There were 68 plates In the sink at the end of the day. There where 40 plates at the beginning of the day. How many plates were added throughout the day. use the arrow way to show your simplifying strategy

Answer 1

Answer:

28

Step-by-step explanation:

    -10     -10    -10   -10

68 → 58 → 48 → 38 → 28

Here is another example I can provide;

https://prnt.sc/lcgrt3

Apologies about the terrible handwriting.

$Echy$