Adding 3 numbers at a time might look tricky, but you can use the same strategies used for adding 2 numbers to help you.
Have a look at the video below. Watch how the strategies of using a number line and compensation were applied.
One strategy was not mentioned - bridge to 10. You can also apply bridge to 10 with 3 numbers. What do you think that might look like?
A bakery sells $105$105 cakes, $60$60 bread rolls and $50$50 muffins in the morning.
What is the total number of items the bakery sells in the morning?
Use simple additive strategies with whole numbers and fractions